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Radiant|Lab Grown|IGI

20.30ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG813655566

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG813655566

Diamond specifications and retailer prices

From ₹15,37,491 INR
£12,755 GBP
As of November 2, 2026
Save ₹20,52,276 INR (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹46,69,351 INR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.3ct lab-grown radiant diamond

This 20.3ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813655566 or 813655566. Listed at 16 retailers as of November 1, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

20.30
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813655566
Dimensions18.72 × 13.05 × 8.90 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.72 mm13.05 mm20.30 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813655566
Side View
Table 67.0%Crown 34.9°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 68.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: ₹15,37,491 INR|Low: ₹8,39,669 INR|High: ₹46,69,351 INR|Avg: ₹21,04,180 INR|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Taylor and Hart
November 2, 2026
Retailer 7₹12,65,625 INR
Retailer 1₹15,37,491 INR
Retailer 3₹16,50,390 INR
Retailer 2₹16,81,046 INR
Retailer 8₹16,89,967 INR
Retailer 11₹17,94,179 INR
Retailer 13₹17,99,968 INR
Retailer 10₹18,93,265 INR
Retailer 15₹19,13,481 INR
Retailer 5₹19,14,430 INR
Retailer 6₹20,89,361 INR
Retailer 4₹26,18,662 INR
Retailer 14₹26,61,371 INR
Retailer 12₹31,39,945 INR
Retailer 9₹35,89,767 INR
Taylor and Hart₹46,69,351 INR

16 data points across 16 retailers

16 retailers₹15,37,491 INR to ₹35,89,767 INR

Retailer 1
-
₹12,65,625 INR
$13,335 USD
Price last confirmed 12 days ago
B
Retailer 2
-
₹15,37,491 INR
£12,755 GBP
View
B
Retailer 3
-
₹16,50,390 INR
$17,389 USD
View
B
Retailer 4
-
₹16,81,046 INR
$17,712 USD
View
B
Retailer 5
-
₹16,89,967 INR
$17,806 USD
View
B
Retailer 6
-
₹17,94,179 INR
$18,904 USD
View
B
Retailer 7
-
₹17,99,968 INR
$18,965 USD
View
B
Retailer 8
-
₹18,93,265 INR
$19,948 USD
View
B
Retailer 9
-
₹19,13,481 INR
$20,161 USD
View
B
Retailer 10
-
₹19,14,430 INR
$20,171 USD
View
Retailer 11
-
₹20,89,361 INR
£17,334 GBP
View
Price last confirmed 9 days ago
B
Retailer 12
-
₹26,18,662 INR
$27,591 USD
View
Final sale: no returns
B
Retailer 13
-
₹26,61,371 INR
$28,041 USD
View
B
Retailer 14
-
₹31,39,945 INR
€31,508 EUR
View
B
Retailer 15
-
₹35,89,767 INR
A$58,189 AUD
View
Most Expensive
Taylor and Hart
YFN343Y · Oct 31
₹46,69,351 INR
$49,198 USD
View
Price under review
15 more retailers have this diamond
Prices start from ₹15,37,491 INRSave up to ₹20,52,276 INR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
20.30ct Radiant
₹15,37,491 INR