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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 $1,662 SGD
$1,300 USD
As of October 31, 2026
Save $9,774 SGD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,436 SGD 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 $1,662 to $11,436, a $9,774 spread on the same certified stone. MOH London lists it at $11,436. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $11,436 SGD|Low: $1,662 SGD|High: $16,060 SGD|Avg: $6,887 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,662 SGD
Retailer 4$3,868 SGD
Retailer 7$4,332 SGD
Retailer 5$4,487 SGD
Retailer 8$4,692 SGD
Retailer 9$5,397 SGD
Retailer 3$6,317 SGD
Retailer 6$6,974 SGD
MOH London$11,436 SGD
Retailer 10$16,060 SGD

16 data points across 10 retailers

11 retailers$1,662 SGD to $11,436 SGD

A
Cheapest Retailer
-
$1,662 SGD
$1,300 USD
B+
Retailer 2
-
$3,868 SGD
$3,026 USD
View
B+
Retailer 3
-
$4,210 SGD
$3,293 USD
View
B+
Retailer 4
-
$4,332 SGD
$3,389 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,487 SGD
$3,510 USD
View
Retailer 6
-
$4,487 SGD
$3,510 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$4,692 SGD
$3,670 USD
View
B
Retailer 8
-
$5,608 SGD
$4,387 USD
View
B
Retailer 9
-
$6,317 SGD
$4,941 USD
View
B
Retailer 10
-
$6,974 SGD
$5,455 USD
View
Most Expensive
B
MOH London
LG499105266 · Oct 29
$11,436 SGD
£7,044 GBP
View
10 more retailers have this diamond
Prices start from $1,662 SGDSave up to $9,774 SGD

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
$1,662 SGD