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 €1,164 EUR
$1,300 USD
As of October 31, 2026
Save €6,844 EUR (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €8,007 EUR 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 €1,164 to €8,007, a €6,844 spread on the same certified stone. MOH London lists it at €8,007. 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: €8,007 EUR|Low: €1,164 EUR|High: €11,245 EUR|Avg: €4,822 EUR|+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€1,164 EUR
Retailer 4€2,709 EUR
Retailer 7€3,033 EUR
Retailer 5€3,142 EUR
Retailer 8€3,285 EUR
Retailer 9€3,779 EUR
Retailer 3€4,423 EUR
Retailer 6€4,883 EUR
MOH London€8,007 EUR
Retailer 10€11,245 EUR

16 data points across 10 retailers

11 retailers€1,164 EUR to €8,007 EUR

A
Cheapest Retailer
-
€1,164 EUR
$1,300 USD
B+
Retailer 2
-
€2,709 EUR
$3,026 USD
View
B+
Retailer 3
-
€2,948 EUR
$3,293 USD
View
B+
Retailer 4
-
€3,033 EUR
$3,389 USD
View
Final sale: no returns
B+
Retailer 5
-
€3,142 EUR
$3,510 USD
View
Retailer 6
-
€3,142 EUR
$3,510 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€3,285 EUR
$3,670 USD
View
B
Retailer 8
-
€3,927 EUR
$4,387 USD
View
B
Retailer 9
-
€4,423 EUR
$4,941 USD
View
B
Retailer 10
-
€4,883 EUR
$5,455 USD
View
Most Expensive
B
MOH London
LG499105266 · Oct 29
€8,007 EUR
£7,044 GBP
View
10 more retailers have this diamond
Prices start from €1,164 EURSave up to €6,844 EUR

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
€1,164 EUR