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Round|Lab Grown|IGI

1.35ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG451056613

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451056613

Diamond specifications and retailer prices

From €569 EUR
As of November 5, 2026
Save €2,207 EUR (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,777 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451056613 or 451056613. Listed at 11 retailers as of November 5, 2026, with prices from €569 to €2,777, a €2,207 spread on the same certified stone. MOH London lists it at €2,777. 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

1.35
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056613
Dimensions7.21 × 7.25 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.21 mm7.25 mm1.35 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056613
Side View
Table 56.0%Crown 31.8°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 59.2%

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: Nov 5
Current: €2,777 EUR|Low: €547 EUR|High: €2,817 EUR|Avg: €1,209 EUR|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5€569 EUR
Retailer 8€637 EUR
Retailer 6€661 EUR
Retailer 2€686 EUR
Retailer 3€820 EUR
Retailer 9€1,077 EUR
Retailer 7€1,081 EUR
Retailer 4€1,687 EUR
Retailer 10€1,891 EUR
MOH London€2,777 EUR

17 data points across 10 retailers

11 retailers€569 EUR to €2,777 EUR

A
Cheapest Retailer
-
€569 EUR
A
Retailer 2
-
€620 EUR
View
B+
Retailer 3
-
€637 EUR
View
Final sale: no returns
B+
Retailer 4
-
€661 EUR
View
Retailer 5
-
€661 EUR
View
Price last confirmed 21 days ago
B+
Retailer 6
-
€686 EUR
View
B+
Retailer 7
-
€820 EUR
View
B
Retailer 8
-
€1,081 EUR
View
B
Retailer 9
-
€1,687 EUR
View
B
Retailer 10
-
€1,858 EUR
View
Most Expensive
B
MOH London
LG451056613 · Nov 5
€2,777 EUR
£2,454 GBP
View
10 more retailers have this diamond
Prices start from €569 EURSave up to €2,207 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
1.35ct Round
€569 EUR