CaratHunter
Plans
Round|Lab Grown|IGI

1.31ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG496135573

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496135573

Diamond specifications and retailer prices

From €592 EUR
$661 USD
As of November 1, 2026
Save €2,299 EUR (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,891 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.31ct lab-grown round diamond

This 1.31ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496135573 or 496135573. Listed at 10 retailers as of November 1, 2026, with prices from €592 to €2,891, a €2,299 spread on the same certified stone. MOH London lists it at €2,891. 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

1.31
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496135573
Dimensions7.07 × 7.12 × 4.30 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
7.07 mm7.12 mm1.31 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496135573
Side View
Table 56.0%Crown 33°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.5%

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: Nov 1
Current: €2,891 EUR|Low: €567 EUR|High: €2,925 EUR|Avg: €1,178 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4€592 EUR
Retailer 7€661 EUR
Retailer 2€680 EUR
Retailer 5€687 EUR
Retailer 8€687 EUR
Retailer 9€1,109 EUR
Retailer 6€1,120 EUR
Retailer 10€1,535 EUR
Retailer 3€1,753 EUR
MOH London€2,891 EUR

15 data points across 10 retailers

10 retailers€592 EUR to €2,891 EUR

A
Cheapest Retailer
-
€592 EUR
$661 USD
A
Retailer 2
-
€644 EUR
$719 USD
View
A
Retailer 3
-
€661 EUR
$739 USD
View
Final sale: no returns
A
Retailer 4
-
€680 EUR
$760 USD
View
A
Retailer 5
-
€687 EUR
$767 USD
View
Retailer 6
-
€687 EUR
$767 USD
View
Price last confirmed 16 days ago
B+
Retailer 7
-
€1,120 EUR
$1,251 USD
View
B
Retailer 8
-
€1,753 EUR
$1,958 USD
View
B
Retailer 9
-
€1,929 EUR
$2,155 USD
View
Most Expensive
B
MOH London
LG496135573 · Nov 1
€2,891 EUR
£2,543 GBP
View
9 more retailers have this diamond
Prices start from €592 EURSave up to €2,299 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
1.31ct Round
€592 EUR