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Round|Lab Grown|IGI

1.30ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG462132934

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462132934

Diamond specifications and retailer prices

From €552 EUR
$617 USD
As of November 1, 2026
Save €2,435 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,987 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct 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 LG462132934 or 462132934. Listed at 11 retailers as of October 29, 2026, with prices from €552 to €2,987, a €2,435 spread on the same certified stone. MOH London lists it at €2,987. 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

1.30
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462132934
Dimensions7.13 × 7.16 × 4.26 mm
L/W Ratio1.00
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
7.13 mm7.16 mm1.30 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462132934
Side View
Table 60.5%Crown 31.7°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 59.6%

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 1
Current: €2,987 EUR|Low: €552 EUR|High: €3,011 EUR|Avg: €1,228 EUR|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5€552 EUR
Retailer 8€618 EUR
Retailer 2€671 EUR
Retailer 6€685 EUR
Retailer 3€801 EUR
Retailer 7€1,048 EUR
Retailer 9€1,081 EUR
Retailer 4€1,699 EUR
Retailer 10€1,832 EUR
MOH London€2,987 EUR

19 data points across 10 retailers

11 retailers€552 EUR to €2,987 EUR

A
Cheapest Retailer
-
€552 EUR
$617 USD
B+
Retailer 2
-
€618 EUR
$690 USD
View
Final sale: no returns
B+
Retailer 3
-
€619 EUR
$691 USD
View
B+
Retailer 4
-
€671 EUR
$750 USD
View
Retailer 5
-
€685 EUR
$765 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
€685 EUR
$765 USD
View
B+
Retailer 7
-
€801 EUR
$895 USD
View
B
Retailer 8
-
€1,048 EUR
$1,171 USD
View
B
Retailer 9
-
€1,699 EUR
$1,898 USD
View
B
Retailer 10
-
€1,800 EUR
$2,011 USD
View
Most Expensive
B
MOH London
LG462132934 · Oct 29
€2,987 EUR
£2,628 GBP
View
10 more retailers have this diamond
Prices start from €552 EURSave up to €2,435 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
1.30ct Round
€552 EUR