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Round|Lab Grown|IGI

1.53ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG500150526

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500150526

Diamond specifications and retailer prices

From €761 EUR
$850 USD
As of October 31, 2026
Save €3,188 EUR (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,949 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500150526 or 500150526. Listed at 11 retailers as of October 31, 2026, with prices from €761 to €3,949, a €3,188 spread on the same certified stone. MOH London lists it at €3,949. 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

1.53
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500150526
Dimensions7.48 × 7.51 × 4.47 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
7.48 mm7.51 mm1.53 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500150526
Side View
Table 57.5%Crown 33.3°GirdlePavilion 40.4°Culet: NoneDepth 59.7%

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: €3,949 EUR|Low: €761 EUR|High: €4,001 EUR|Avg: €1,690 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2€761 EUR
Retailer 5€1,060 EUR
Retailer 9€1,153 EUR
Retailer 8€1,187 EUR
Retailer 6€1,229 EUR
Retailer 11€1,229 EUR
Retailer 12€1,383 EUR
Retailer 4€1,744 EUR
Retailer 7€1,950 EUR
Retailer 10€2,304 EUR
Retailer 3€2,422 EUR
MOH London€3,949 EUR

17 data points across 12 retailers

11 retailers€761 EUR to €3,949 EUR

A
Cheapest Retailer
-
€761 EUR
$850 USD
B+
Retailer 2
-
€1,060 EUR
$1,184 USD
View
B+
Retailer 3
-
€1,153 EUR
$1,288 USD
View
B+
Retailer 4
-
€1,187 EUR
$1,326 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,229 EUR
$1,373 USD
View
Retailer 6
-
€1,229 EUR
$1,373 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,383 EUR
$1,545 USD
View
B
Retailer 8
-
€1,950 EUR
$2,179 USD
View
B
Retailer 9
-
€2,304 EUR
$2,574 USD
View
B
Retailer 10
-
€2,422 EUR
$2,706 USD
View
Most Expensive
B
MOH London
LG500150526 · Nov 1
€3,949 EUR
£3,474 GBP
View
10 more retailers have this diamond
Prices start from €761 EURSave up to €3,188 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
1.53ct Round
€761 EUR