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Oval|Lab Grown|IGI

1.51ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445038845

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038845

Diamond specifications and retailer prices

From €752 EUR
$840 USD
As of October 31, 2026
Save €3,549 EUR (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,300 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038845 or 445038845. Listed at 11 retailers as of October 31, 2026, with prices from €752 to €4,300, a €3,549 spread on the same certified stone. MOH London lists it at €4,300. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038845
Dimensions9.00 × 6.53 × 4.12 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.00 mm6.53 mm1.51 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445038845
Side View
Table 56.5%Crown 32.8°Girdle: STK-THKPavilion 42°Culet: NoneDepth 63.1%

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: Oct 31
Current: €4,300 EUR|Low: €752 EUR|High: €4,357 EUR|Avg: €2,209 EUR|-1.0%
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€752 EUR
Retailer 5€1,298 EUR
Retailer 9€1,412 EUR
Retailer 10€1,454 EUR
Retailer 6€1,506 EUR
Retailer 12€1,660 EUR
Retailer 3€2,046 EUR
Retailer 7€2,375 EUR
Retailer 11€2,733 EUR
Retailer 8€2,822 EUR
MOH London€4,300 EUR
Retailer 4€4,311 EUR

19 data points across 12 retailers

11 retailers€752 EUR to €4,300 EUR

A
Cheapest Retailer
-
€752 EUR
$840 USD
B+
Retailer 2
-
€1,298 EUR
$1,450 USD
View
B+
Retailer 3
-
€1,412 EUR
$1,578 USD
View
B+
Retailer 4
-
€1,454 EUR
$1,624 USD
View
Final sale: no returns
Retailer 5
-
€1,506 EUR
$1,682 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,506 EUR
$1,682 USD
View
B+
Retailer 7
-
€1,660 EUR
$1,855 USD
View
B
Retailer 8
-
€2,375 EUR
$2,653 USD
View
B
Retailer 9
-
€2,733 EUR
$3,053 USD
View
B
Retailer 10
-
€2,822 EUR
$3,153 USD
View
Most Expensive
B
MOH London
LG445038845 · Nov 1
€4,300 EUR
£3,783 GBP
View
10 more retailers have this diamond
Prices start from €752 EURSave up to €3,549 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