Baltic amber
Until the middle ages, amber was in great demand in most countries around the world, and Danish traders offered the finest pieces that had been washed ashore at the North Sea. Amber was jewelry designers’ favorite material and used for making beads and other elements, and amber was popular especially in Danish and other European royal families.

In particular, the Greeks believed that amber possessed supernatural qualities and called it the tears of the gods; the Romans used amber in truth serums; and amber was considered to have healing powers and used for various kinds of ailments in Denmark. Moreover, amber was widely applied in cosmetic and modern medicines to bring beauty and health to people.

Dominican blue amber
Dominican blue amber is the most rare amber in the world, it is form the resin in leguminous plant which grown in 30 million years ago. Dominican blue amber has fascinating fluorescent effect, it has more than 10 magic colors under different lights, backgrounds and angles.

Dominican amber accounts for only 1% of global amber storage, while blue amber only account for 3% of Dominican amber. The annual output of top quality Dominican blue amber is only a few dozen kilograms.

Classification of amber
Amber is a pine resin fossil formed through 30million or even 100 million years, and it is a natural organic gemstone from the Baltic region. Over 80% of the world's
amber are produced in this region, which is named the Baltic Amber. As one of the three organic gems in nature, amber has special features such as: transparent like crystal, bright as pearls and colorful as agate. Known as the stone of life, it is the only bio-wrapped gem condensing with million years of life, which is highly respected and loved by people worldwide.

Amber features
According to the color, transparency, causes and containing objects, amber can be divided into the following categories.

1. Cherry amber: Color look like blood, also known as cherry or red amber.
2. Lemon amber: lemon or gold transparent color, aromas of golden light, high transparency.
3. Beeswax amber: beeswax is translucent and opaque amber, have a variety of colors, including gold and brown color, yellow. Yellow is most common.
4. Insect amber: contain the remains of small animals such as mosquitoes, bees, flies, also plants. They are most expensive.
5. Blue amber: Blue amber is very rare, valuable. It does not look blue, but brown and a little purple in normal condition. It will appear blue, brown, purple, green etc under different lights.
6. Green amber: green and transparent. It is rare, which only 2% of the total amber.
7. White amber: also the most rare color amber. 1%~2% of the total amber.

Amber is the only "living fossil". Beeswax amber is one of the seven treasures of Buddhism, which regarded as body armor to drive off evil spirits, and bring good luck and the prosperity.

It is widely believed that amber has medicinal and therapeutic powers since time immemorial. Amber contains from 3% to 8% amber acid. Scientific tests have proven its beneficial effects on living organisms. Amber is electronegative; therefore, when it contact with the human body, it ionizes it in a beneficial way, improving the bodys energy and electrolyte balance.

Amber has anti-bacterial and antiseptic properties; an amber tincture serves to strengthen the bodys natural immunity, helps to mitigate cold symptoms, fever as well as rheumatic and muscle pain. Amber teething rings and necklaces are given to infants to ease their pain. Amber and its derivatives are among the ingredients and it was used in some contemporary medicines and cosmetics.

Maintenance of amber
Amber is nature gem stone, and it has low hardness and ignition. Therefore, do not expose your amber jewelry under direct sunshine or heater in long time, avoid smashing, and get contact with soaps, lotions, perfumes, hairsprays, deodorants etc. It is a good idea to remove your amber jewelry before bathing or washing your hands.

We recommend you to wear the amber jewelry often. It is beneficial for your health and it is also a good way to keep amber shinny.



Classifications of Coral
Semiprecious coral stones from deep sea mainly refer to AKA (Asia Coral), Satin (Mediterranean coral), and MoMo (Asian Coral). The price ranking of the three coral in the same quality level: AKA>Satin>MoMo.

1. AKA Coral
The surface of AKA Coral is fine and smooth without lines, and has a white core in general. AKA is Japanese transliteration of red. Its surface of branch is a little transparent like glass with delicate lines and its structure is highly dense. Usually, it is not easy to see the growth The common feature of Asian coral is the obvious white core. AKA Coral is not large, the general common raw material is about 0.3-0.8 kg, about 2kg raw coral is considered as large coral.

2. Satin coral
Satin coral does not have obvious white core, and most of the Satin are used for Beads. It is better looking than AKA, but lacks AKA’s density. Satin’s raw material is from the Mediterranean coast and it gathers in Italy. Satin’s lines are clear,most of the Satin is red, and do not have the white core like the Asian coral. It has shades, with great density level variation. The denser it is, and the deeper the color, the higher the Satin coral’s plants are relatively small, a diameter larger than 10mm is classified as large. So, it you see the diameter of beads in the market larger than 10mm with high density and good color, the value will be very high as well.

3. MOMO coral
Momo coral is another deep sea coral. Its plants are relatively large. In general, their weights are about 0.2-3kg. The plants are often 25-50cm. The common ones are broken branch or dead branches. Their color is usually orange or like the color of peach. MOMO is a Japanese transliteration, MOMO coral is not as fragile as AKA and is usually used in engraving. In general, they have clear growth lines, and less glossiness like that of AKA. The common feature of AKA and MOMO is that they have a white core, which is a common feature of Asian coral.

Features of Coral
Coral is one of the rare gems that shares the same culture value of the East and West. Corals are generally considered as the symbol of fortune and good luck. From ancient Rome, Western people believe that coral can help people to avoid disaster, give people wisdom, and have the function of hemostasis and driving heat away. Indian and Chinese Buddhists in Tibet see red coral is the embodiment of the Buddha. They see coral as a mascot of Buddha, they are used to make Buddha beads, or decorate statue, and it is a highly valued jewelry gem.

Traditional Chinese medicine believes that coral has medical effect. It can give sharper sight, ease nervous, good for eyes, and can treat epilepsy and nose bleeding. It is said that if children wear the coral, it can protect the growth of bones. Red or pink coral, in particular, can help to detect blood disease. People suffer from heart disease and nervous system diseases are encouraged to wear it. Coral is also good for the growth of skin, nails and hair.

With the diversification of jewelry collection, coral is popular in the jewelry market. Since there are less and less red corals, the coral jewelries and ornaments have a high price appreciation potential.

Maintenance of Coral

  1. Corals are natural organic gem. It is hard and has low ignition point. So avoid bumping and exposing to high temperature. Please refer to the following recommendations for daily wear and maintenance of corals
  1. The chemical composition of coral is CaCO3, its chemical properties are unstable. Acidic materials will corrode coral jewelry. Avoid touching acetic acid, sweat (weakly acidic). Keep it dry when you wear coral in summer.
  1. Coral should not be contacted with cosmetics, perfume, alcohol, salt, oil and vinegar. There are pores in coral and its structure is not dense. They are easy to get dirty. Please clean it with neutral water.
  1. It should be placed far away from high temperature and bleaching material. The color of coral affects its value. High temperature and bleacher will destroy the organic pigment result in fading.
  1. Coral jewelry cannot be soaked in water for a long time. Use pure water or warm water to clean coral jewelry. Please wipe it with a delicate soft cloth immediately after cleaning. Do not wear it during bathing, swimming, sauna or in hot springs.
  1. After cleaning, the surface of the coral jewelry can be coated with a thin layer of transparent neutral oil to isolate air and harmful substances. But, notice that you can only use fragrance-free, pigment-free oil, such as mineral oil and baby moisturizing oil.
  1. The hardness of coral is not high and is fragile. Apart from putting it in separate place, be careful to avoid falling down or bumping when wearing it.


Diamonds and colored gems
There are more than 3000 kinds of minerals in nature. However, only a few dozens of minerals achieve the level as gem can be used for processing into jewelries. Based on the criterion of appearance, durability, and scarcity, gems are categorized into natural gemstones, natural jade, and natural organic gem. The most famous and precious natural gems, including diamonds, ruby, sapphires, emeralds and Chrysoberyl (cat’s eye).  The famous jades are Hetian jade and jadeite jade. The natural organic gemstones include pearls, coral, amber, ivory, etc.

Diamond is a colorless crystal, composed of carbon elements known as the hardest natural substance in existence. Gemstone diamond is used to process into diamond jewelry, which is the most valuable gemstone in the world. Apart from diamond, all other gemstones are collectively named as color gemstone encompassing diverse precious stones and semi-precious stones such as Tanzanite, Opal, Aquamarine, Tourmaline, Topaz, Peridot, Garnet, Moonstone, and Turquoise, etc.

Sinodic jewelry focuses on the natural amber and coral jewelry, while we will soon bring in a new product line - the Belgian diamonds. Antwerp, known as the World Diamond Center, owns the world’s top diamond cutting and processing technology and over 1800 diamond companies. Antwerp accounts for 80% of the world’s rough diamond and 50% of the finished diamond trading

Sinodic Jewelry will also gradually introduce a variety of natural colored gemstones, which will be integrated into the diverse series of Sinodic jewelry designs, enriching a variety of categories and styles and demonstrating natural charm of different gems.


1. 血珀:颜色像血似的红色的琥珀。 
2. 金珀:金黄色透明的琥珀,散发着金色光芒,透明度非常高。 
3. 蜜蜡 :蜜蜡是半透明或不透明的琥珀,有各种颜色,其中金黄色、棕黄色、蛋黄色4. 等黄色最为普遍。
5. 虫珀:含有动物、植物遗体的琥珀,其中以包含小的动物遗体如蚊子、蜜蜂、苍蝇等最为名贵。
6. 蓝珀:蓝珀相当罕见,以多米尼加蓝珀最为珍贵,价值极高,正常白底背景下,蓝珀是淡黄色,类似波罗的海金珀,在黑色背景下,经强光或太阳光直射,会显示不同程度的蓝色,其中以天空蓝最优。蓝珀在不同背景和不同光线下可呈现10多种颜色,是琥珀中最具荧光效应的琥珀,被称为琥珀之王。
7. 绿珀:绿色透明的琥珀。当琥珀中混有混有微小的植物残枝碎片或硫化铁矿物时,琥珀会显示绿色,绿色是很稀少的琥珀颜色,约占琥珀总量的2%。  
8. 花珀:黄白或红白相间、颜色不均匀的琥珀。
9. 白琥珀:白色琥珀,产量稀有,约占总量的1%~2%








深海贵重宝石级红珊瑚主要指:阿卡(亚洲珊瑚),沙丁(地中海珊瑚),MoMo(亚洲珊瑚), 同等质量级别的三种红珊瑚,价格排列顺序为阿卡>沙丁>MoMo

  1. AKA阿卡珊瑚
    AKA阿卡珊瑚,枝面光滑细腻无纹, 一般有白芯。阿卡是日文赤(红)的音译 ,其活枝倒枝特征是玻璃光感微透明,结构紧密,纹路细腻,一般正面不容易看到生长纹路,有明显白芯,为亚洲珊瑚共有特征,白色生长点。阿卡珊瑚植株不算大,一般常见原料一株为3-0.8公斤,一株2公斤以上就属大型。
  2. 沙丁珊瑚
  3. MOMO珊瑚
    MOMO是另一种深海珊瑚,植株比较粗大。一般在2-3公斤居多,常有高25-50公分的植株。现在常见的为倒枝托体或死枝,颜色普遍偏橙,偏桃色。MOMO是日语音译,MOMO珊瑚没有阿卡那么脆,用于雕刻的比较多,一般生长纹路比较清晰,没有阿卡的光感强。阿卡和MOMO的共同特点就是都有白芯, 是亚洲珊瑚的共同特点。

中医认为珊瑚有较强的药用功效,可以去翳明目、安神镇惊,治目生翳障,惊痫,吐衄。 据说小朋友佩戴的话,有保护骨骼成长的效果,红色或粉红色珊瑚尤其对血液方面的疾病有探测的功能, 脏病及神经系统疾病离患者也很适合佩带。珊瑚对皮肤, 指甲,头发等生长都有帮助。

4、 珊瑚饰品不能长时间在水中浸泡,使用纯净水或温开水清洗珊瑚饰品,清洁后立即用质地细腻的软布擦干。不要在洗澡、游泳、桑拿、温泉时佩戴。


自然界有3000多种矿物质,但是达到宝石级别,常被用于加工成珠宝的矿物质只有几十余种,按照美观、耐久、稀少三个因素综合考虑,宝石一般可以分为天然宝石,天然玉石,天然有机宝石。 珍贵的天然宝石如钻石、红宝石、蓝宝石、祖母绿和金绿宝石 (猫眼石),即通常所谓的五大宝石。知名珍贵玉石如和田玉,翡翠, 天然有机宝石主要有珍珠 、珊瑚、琥珀 、象牙等。

钻石在化学和工业中称为金剛石,是碳元素组成的無色晶体,是目前已知的自然存在的最硬物質,宝石级金刚石一般用来加工成钻石珠宝饰品,备受世人青睐。国际上把除了钻石以外的宝玉石统称为彩色宝石,包含各类珍贵宝玉石及半宝石如坦桑石、欧泊 、海蓝宝石、碧玺、黄玉、 橄榄石、石榴石、月光石、绿松石等。

心诺帝在专注天然琥珀、珊瑚珠宝的同时,还将引入比利时钻石, 比利时安特惠普有约1800家钻石公司,拥有世界上顶级的钻石切割和加工技术,占据全球80%原钻和50%成品钻交易,被称为钻石之城。心诺帝未来还将逐步引入多种天然彩色宝石,把它们融合到心诺帝的珠宝设计中,丰富心诺帝珠宝品类和款式,展现各类天然宝石的独特魅力。