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Radiant|Lab Grown|IGI

2.30ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG506199308

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

Certificate IGI LG506199308

Diamond specifications and retailer prices

From $1,640 USD
As of November 6, 2026
Save $7,529 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,169 USD at MOH London · As of November 5, 2026
View at MOH London

About this 2.3ct lab-grown radiant diamond

This 2.3ct lab-grown radiant sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506199308 or 506199308. Listed at 12 retailers as of November 5, 2026, with prices from $1,640 to $9,169, a $7,529 spread on the same certified stone. MOH London lists it at $9,169. 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

2.30
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506199308
Dimensions9.05 × 6.63 × 4.31 mm
L/W Ratio1.37
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
9.05 mm6.63 mm2.30 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506199308
Side View
Table 65.5%Crown 37.9°Girdle: MED-STKPavilion 31.4°Culet: NoneDepth 65.0%

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: Nov 6
Current: $9,169 USD|Low: $1,640 USD|High: $9,317 USD|Avg: $5,189 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$1,640 USD
Retailer 5$3,700 USD
Retailer 8$4,144 USD
Retailer 6$4,292 USD
Retailer 2$5,557 USD
Retailer 4$5,804 USD
Retailer 7$6,653 USD
MOH London$9,169 USD

43 data points across 8 retailers

12 retailers$1,640 USD to $9,169 USD

B+
Cheapest Retailer
-
$1,640 USD
B
Retailer 2
-
$3,700 USD
View
B
Retailer 3
-
$4,026 USD
View
B
Retailer 4
-
$4,144 USD
View
Final sale: no returns
B
Retailer 5
-
$4,292 USD
View
Retailer 6
-
$4,292 USD
View
Price last confirmed 26 days ago
B
Retailer 7
-
$4,445 USD
View
B
Retailer 8
-
$5,363 USD
View
B
Retailer 9
-
$5,557 USD
View
B
Retailer 10
-
$5,804 USD
View
B
Retailer 11
-
$6,653 USD
View
Most Expensive
B
MOH London
LG506199308 · Nov 5
$9,169 USD
£7,220 GBP
View
11 more retailers have this diamond
Prices start from $1,640 USDSave up to $7,529 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+
2.30ct Radiant
$1,640 USD