
Renowned for diamonds and colored gemstones, we are equally trusted with the grading of pearls, exotic carvings, fine jewelry pieces and. As the global leader for jewelry assessment our experience and reach are unrivaled. IGI grades the widest variety of gemstones and jewelry in more corners of the world than any other gemological organization.

Natural 0.50-0.75 ct $1500-3000 | lab grown 0.50-0.75 ct $700-1,500D Bros - Offering IGI Diamond Certificate, Shape: Pear at Rs 90000/piece in Ahmedabad, Gujarat. Use these numbers as a guide and you should find them helpful. Fancy shape diamonds (other than round brilliant) tend to be less expensive due to the more effect use of the rough diamond material in these shapes. These are the most popular qualities in the market, although some people prefer lesser and greater quality, to fit individual budgets and tastes. And there are real price levels: a 0.39 carat diamond remains in the 0.30 carat diamond price range while a 0.40 carat diamond goes in the 0.40 carat diamond range.Diamond Pricing guide for Round brilliant cut diamonds, SI1-VS2 clarity, F-G color and very good to excellent make. Natural and Lab-grownDiamondsThe ratio (price / weight in carat) is exponential: the price per carat is much higher for a diamond of 1 carat than for a diamond of 0.90 carat for example.
Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $5,500-$10,000 depending on the specifics for the individual stone. Cut variations start to play a bigger role in value as size increase. Natural 1.00-1.25 ct $5500-10,000 | lab grown 1.00-1.25 ct $1,700-3,000One to one and a quarter carat diamonds are available in many shapes and qualities. Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $3,000-$5,000 depending on the specifics for the individual stone. Natural 0.70-0.99 ct $3000-5000 | lab grown 0.70-0.99 ct $900-2,800Three quarter to one carat diamonds are available in many shapes and qualities. Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $1,500-$3,500 depending on the specifics for the individual stone, including cut, clarity, color, and carat weight.
Cut plays an important role in Value, and Diamond Certificates matter more and more. Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $10,00-$17,000 depending on the specifics for the individual stone. Prices definitely start up the bell curve in a noticeable way. Natural 1.50-1.75 ct $10,000-17,000 | lab grown 1.50-1.75 ct $3,500-5,000One and a half to one and three quarter carat diamonds are available in many shapes and qualities. Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $8,000-$12,000 depending on the specifics for the individual stone.
Rarity starts to also become more pervasive. Natural 2.00-2.50 ct $20,000-35,000 | lab grown 2.00-2.50 ct $5,500-10,000Two to two and a half carat diamonds are available in many shapes and qualities, but not nearly the supply as smaller stones. Very scarce.Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $15,000-$25,000 depending on the specifics for the individual stone. Supple starts to noticeably reduce as the size increase.
Costs range significantly stone to stone. All sizes and qualities are now in limited supply. Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $30,000-$45,000 depending on the specifics for the individual stone. Natural 2.50-2.75 ct $30,000-45,000 | lab grown 2.50-2.75 ct $7,500-12,000Two to two and three quarter carat diamonds are available in most shapes and qualities. Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $20,000-$35,000 depending on the specifics for the individual stone.
But everything is rare and very valuable, except very low qualities. Natural 3.50-3.95 ct $60,000-100,000 | lab grown 3.50-3.95 ct $20,000-PLUSThree and a half to four carat diamonds are available in most shapes and qualities. Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $50,000-$80,000 or more depending on the specifics for the individual stone. Natural 3.00-3.40 ct $50,000-80,000 | lab grown 3.00-3.40 ct $12,000-18,000Three to three and a half carat diamonds are available most shapes and qualities, in less and less abundance. Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $35,000-$50,000 depending on the specifics for the individual stone.
You can begin with our diamond search tool or schedule a consultation to speak with one of our expert gemologists directly. FIND A DIAMONDOur diamond experts can guide you to find the diamond or gemstone that will be the best fit based on style, cut, color and value. There are "bluff" stones in the market that are cut with shallow depths or variations in cutting that greatly affect value. Average cost for a well cut round brilliant diamond SI1-VS2 clarity and F-G-H color (the most popular qualities) ranges from around $60,000-$100,000 or more depending on the specifics for the individual stone.
