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Oval|Lab Grown|IGI

1.51ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG451057749

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057749

Diamond specifications and retailer prices

From €716 EUR
$800 USD
As of October 31, 2026
Save €3,027 EUR (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,743 EUR at MOH London · As of November 1, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057749 or 451057749. Listed at 10 retailers as of October 31, 2026, with prices from €716 to €3,743, a €3,027 spread on the same certified stone. MOH London lists it at €3,743. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057749
Dimensions8.87 × 6.61 × 4.05 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.87 mm6.61 mm1.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057749
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.3%

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: €3,743 EUR|Low: €716 EUR|High: €3,788 EUR|Avg: €1,766 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4€716 EUR
Retailer 2€1,004 EUR
Retailer 8€1,093 EUR
Retailer 9€1,124 EUR
Retailer 5€1,165 EUR
Retailer 11€1,665 EUR
Retailer 6€1,854 EUR
Retailer 7€2,183 EUR
Retailer 10€2,363 EUR
Retailer 3€2,607 EUR
MOH London€3,743 EUR

15 data points across 11 retailers

10 retailers€716 EUR to €3,743 EUR

A
Cheapest Retailer
-
€716 EUR
$800 USD
A
Retailer 2
-
€1,004 EUR
$1,122 USD
View
A
Retailer 3
-
€1,093 EUR
$1,221 USD
View
A
Retailer 4
-
€1,124 EUR
$1,256 USD
View
Final sale: no returns
Retailer 5
-
€1,165 EUR
$1,301 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,165 EUR
$1,301 USD
View
B
Retailer 7
-
€1,854 EUR
$2,071 USD
View
B
Retailer 8
-
€2,183 EUR
$2,439 USD
View
B
Retailer 9
-
€2,363 EUR
$2,640 USD
View
Most Expensive
B
MOH London
LG451057749 · Nov 1
€3,743 EUR
£3,293 GBP
View
9 more retailers have this diamond
Prices start from €716 EURSave up to €3,027 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
€716 EUR