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Oval|Lab Grown|IGI

1.51ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG447001740

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001740

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 LG447001740 or 447001740. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001740
Dimensions8.84 × 6.54 × 4.10 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.84 mm6.54 mm1.51 ctJ / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001740
Side View
Table 60.5%Crown 36.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 6
Current: €4,292 EUR|Low: €752 EUR|High: €4,360 EUR|Avg: €2,332 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2€752 EUR
Retailer 3€1,299 EUR
Retailer 6€1,455 EUR
Retailer 4€1,507 EUR
Retailer 7€1,661 EUR
Retailer 9€2,047 EUR
Retailer 5€2,376 EUR
Retailer 8€2,734 EUR
MOH London€4,292 EUR
Retailer 10€4,313 EUR

14 data points across 10 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
LG447001740 · 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