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Round|Lab Grown|IGI

2.31ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG499105266

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499105266

Diamond specifications and retailer prices

From $2,320 USD
As of October 29, 2026
Save $6,626 USD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,946 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.31ct lab-grown round diamond

This 2.31ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499105266 or 499105266. Listed at 11 retailers as of October 29, 2026, with prices from $2,320 to $8,946, a $6,626 spread on the same certified stone. MOH London lists it at $8,946. 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

2.31
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499105266
Dimensions8.49 × 8.55 × 5.11 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.49 mm8.55 mm2.31 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499105266
Side View
Table 61.0%Crown 32.8°GirdlePavilion 40.6°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,946 USD|Low: $2,320 USD|High: $12,563 USD|Avg: $5,408 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4$2,320 USD
Retailer 3$3,026 USD
Retailer 7$3,389 USD
Retailer 5$3,510 USD
Retailer 8$3,670 USD
Retailer 9$4,222 USD
Retailer 2$4,941 USD
Retailer 6$5,455 USD
MOH London$8,946 USD
Retailer 10$12,563 USD

15 data points across 10 retailers

11 retailers$2,320 USD to $8,946 USD

A
Cheapest Retailer
-
$2,320 USD
B+
Retailer 2
-
$3,026 USD
View
B+
Retailer 3
-
$3,293 USD
View
B+
Retailer 4
-
$3,389 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,510 USD
View
Retailer 6
-
$3,510 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$3,670 USD
View
B
Retailer 8
-
$4,387 USD
View
B
Retailer 9
-
$4,941 USD
View
B
Retailer 10
-
$5,455 USD
View
Most Expensive
B
MOH London
LG499105266 · Oct 29
$8,946 USD
£7,044 GBP
View
10 more retailers have this diamond
Prices start from $2,320 USDSave up to $6,626 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.

A
2.31ct Round
$2,320 USD