Radiant|Lab Grown|IGI

5.10ct G SI2 Radiant Lab Grown Diamond

ID • G/SI2 • IGI LG621436232

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

Certificate IGI LG621436232

Diamond specifications and retailer prices

From $1,866 USD
As of October 30, 2026
Save $4,104 USD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,970 USD at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 5.1ct lab-grown radiant diamond

This 5.1ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621436232 or 621436232. Listed at 11 retailers as of October 30, 2026, with prices from $1,866 to $5,970, a $4,104 spread on the same certified stone. Frank Darling lists it at $5,970. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.10
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621436232
Dimensions12.02 × 8.74 × 5.73 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.02 mm8.74 mm5.10 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621436232
Side View
Table 64.0%Crown 43.8°Girdle: MediumPavilion 35.9°Culet: NoneDepth 65.6%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $5,970 USD|Low: $1,792 USD|High: $6,311 USD|Avg: $3,158 USD|-5.4%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$1,866 USD
Retailer 8$2,031 USD
Retailer 11$2,090 USD
Retailer 6$2,165 USD
Retailer 9$2,165 USD
Retailer 10$2,500 USD
Retailer 3$2,965 USD
Retailer 7$3,285 USD
Retailer 2$3,288 USD
Retailer 4$4,870 USD
Frank Darling$5,970 USD

42 data points across 11 retailers

11 retailers$1,866 USD to $5,970 USD

B+
Cheapest Retailer
-
$1,866 USD
B+
Retailer 2
-
$2,031 USD
View
B+
Retailer 3
-
$2,090 USD
View
Final sale: no returns
B
Retailer 4
-
$2,165 USD
View
Retailer 5
-
$2,165 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$2,500 USD
View
B
Retailer 7
-
$2,965 USD
View
B
Retailer 8
-
$3,285 USD
View
B
Retailer 9
-
$3,288 USD
£2,589 GBP
View
B
Retailer 10
-
$4,870 USD
View
Most Expensive
B
Frank Darling
LVA16-046BA · Nov 1
$5,970 USD
View
10 more retailers have this diamond
Prices start from $1,866 USDSave up to $4,104 USD

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+
5.10ct Radiant
$1,866 USD