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Radiant|Lab Grown|IGI

18.07ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG830673978

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

Certificate IGI LG830673978

Diamond specifications and retailer prices

From ₹7,33,654 INR
$7,730 USD
As of November 2, 2026
Save ₹20,51,954 INR (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: ₹27,85,609 INR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 18.07ct lab-grown radiant diamond

This 18.07ct 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 LG830673978 or 830673978. Listed at 10 retailers as of November 2, 2026, with prices from ₹7,33,654 to ₹27,85,609, a ₹20,51,954 spread on the same certified stone. Brilliant Earth lists it at ₹27,85,609. 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

18.07
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.9°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830673978
Dimensions17.72 × 12.54 × 8.47 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.72 mm12.54 mm18.07 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830673978
Side View
Table 65.0%Crown 49.9°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: ₹27,85,609 INR|Low: ₹7,33,654 INR|High: ₹29,06,144 INR|Avg: ₹14,92,684 INR|-4.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8₹7,33,654 INR
Retailer 2₹8,04,267 INR
Retailer 4₹9,18,145 INR
Retailer 7₹10,89,092 INR
Retailer 6₹11,40,230 INR
Retailer 3₹13,46,146 INR
Retailer 5₹14,07,677 INR
Retailer 9₹18,75,896 INR
Retailer 10₹25,28,788 INR
Brilliant Earth₹27,85,609 INR

43 data points across 10 retailers

10 retailers₹7,33,654 INR to ₹27,85,609 INR

B+
Cheapest Retailer
-
₹7,33,654 INR
$7,730 USD
B+
Retailer 2
-
₹8,04,267 INR
$8,474 USD
View
B+
Retailer 3
-
₹9,18,145 INR
£7,617 GBP
View
B
Retailer 4
-
₹10,89,092 INR
$11,475 USD
View
B+
Retailer 5
-
₹11,40,230 INR
ZAR 194,084 ZAR
View
B
Retailer 6
-
₹13,46,146 INR
€13,508 EUR
View
B
Retailer 7
-
₹14,07,677 INR
A$22,818 AUD
View
B
Retailer 8
-
₹18,75,896 INR
$19,765 USD
View
B
Retailer 9
-
₹25,28,788 INR
$26,644 USD
View
Most Expensive
B
Brilliant Earth
21633058A · Nov 2
₹27,85,609 INR
$29,350 USD
View
9 more retailers have this diamond
Prices start from ₹7,33,654 INRSave up to ₹20,51,954 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+
18.07ct Radiant
₹7,33,654 INR