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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 HK$10,199 HKD
$1,300 USD
As of October 30, 2026
Save HK$59,987 HKD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$70,187 HKD 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 HK$10,199 to HK$70,187, a HK$59,987 spread on the same certified stone. MOH London lists it at HK$70,187. 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 30
Current: HK$70,187 HKD|Low: HK$10,199 HKD|High: HK$98,564 HKD|Avg: HK$42,268 HKD|+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 2HK$10,199 HKD
Retailer 4HK$23,741 HKD
Retailer 7HK$26,589 HKD
Retailer 5HK$27,538 HKD
Retailer 8HK$28,794 HKD
Retailer 9HK$33,125 HKD
Retailer 3HK$38,766 HKD
Retailer 6HK$42,798 HKD
MOH LondonHK$70,187 HKD
Retailer 10HK$98,564 HKD

16 data points across 10 retailers

11 retailersHK$10,199 HKD to HK$70,187 HKD

A
Cheapest Retailer
-
HK$10,199 HKD
$1,300 USD
B+
Retailer 2
-
HK$23,741 HKD
$3,026 USD
View
B+
Retailer 3
-
HK$25,836 HKD
$3,293 USD
View
B+
Retailer 4
-
HK$26,589 HKD
$3,389 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$27,538 HKD
$3,510 USD
View
Retailer 6
-
HK$27,538 HKD
$3,510 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
HK$28,794 HKD
$3,670 USD
View
B
Retailer 8
-
HK$34,419 HKD
$4,387 USD
View
B
Retailer 9
-
HK$38,766 HKD
$4,941 USD
View
B
Retailer 10
-
HK$42,798 HKD
$5,455 USD
View
Most Expensive
B
MOH London
LG499105266 · Oct 29
HK$70,187 HKD
£7,044 GBP
View
10 more retailers have this diamond
Prices start from HK$10,199 HKDSave up to HK$59,987 HKD

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
HK$10,199 HKD