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Oval|Lab Grown|IGI

1.51ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG442066540

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442066540

Diamond specifications and retailer prices

From €752 EUR
As of November 6, 2026
Save €3,539 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,292 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval 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 LG442066540 or 442066540. Listed at 11 retailers as of November 5, 2026, with prices from €752 to €4,292, a €3,539 spread on the same certified stone. MOH London lists it at €4,292. 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

1.51
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066540
Dimensions9.29 × 6.38 × 3.96 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.29 mm6.38 mm1.51 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442066540
Side View
Table 55.5%Crown 33.8°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 62.1%

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 6
Current: €4,292 EUR|Low: €752 EUR|High: €4,360 EUR|Avg: €2,232 EUR|-1.3%
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 5, 2026
Retailer 2€752 EUR
Retailer 5€1,299 EUR
Retailer 9€1,413 EUR
Retailer 10€1,455 EUR
Retailer 6€1,507 EUR
Retailer 11€1,661 EUR
Retailer 3€2,047 EUR
Retailer 7€2,376 EUR
Retailer 12€2,734 EUR
Retailer 8€2,824 EUR
MOH London€4,292 EUR
Retailer 4€4,313 EUR

16 data points across 12 retailers

11 retailers€752 EUR to €4,292 EUR

A
Cheapest Retailer
-
€752 EUR
B+
Retailer 2
-
€1,299 EUR
View
B+
Retailer 3
-
€1,413 EUR
View
B+
Retailer 4
-
€1,455 EUR
View
Final sale: no returns
Retailer 5
-
€1,507 EUR
View
Price last confirmed 25 days ago
B+
Retailer 6
-
€1,507 EUR
View
B
Retailer 7
-
€1,661 EUR
View
B
Retailer 8
-
€2,376 EUR
View
B
Retailer 9
-
€2,734 EUR
View
B
Retailer 10
-
€2,824 EUR
View
Most Expensive
B
MOH London
LG442066540 · Nov 5
€4,292 EUR
£3,773 GBP
View
10 more retailers have this diamond
Prices start from €752 EURSave up to €3,539 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
1.51ct Oval
€752 EUR