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Oval|Lab Grown|IGI

1.50ct H SI2 Oval Lab Grown Diamond

ID • H/SI2 • IGI LG440012253

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440012253

Diamond specifications and retailer prices

From $830 USD
As of October 29, 2026
Save $3,686 USD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,516 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012253 or 440012253. Listed at 10 retailers as of October 29, 2026, with prices from $830 to $4,516, a $3,686 spread on the same certified stone. MOH London lists it at $4,516. 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

1.50
Carat
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012253
Dimensions8.81 × 6.55 × 4.07 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.81 mm6.55 mm1.50 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012253
Side View
Table 56.5%Crown 34.4°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.1%

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: Oct 29
Current: $4,516 USD|Low: $830 USD|High: $4,547 USD|Avg: $2,071 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 2$830 USD
Retailer 8$899 USD
Retailer 5$1,350 USD
Retailer 3$1,398 USD
Retailer 7$1,977 USD
Retailer 4$2,217 USD
Retailer 6$2,678 USD
Retailer 9$3,130 USD
MOH London$4,516 USD

11 data points across 9 retailers

10 retailers$830 USD to $4,516 USD

A
Cheapest Retailer
-
$830 USD
A
Retailer 2
-
$1,205 USD
View
B+
Retailer 3
-
$1,311 USD
View
B+
Retailer 4
-
$1,350 USD
View
Final sale: no returns
Retailer 5
-
$1,398 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,398 USD
View
B
Retailer 7
-
$2,217 USD
View
B
Retailer 8
-
$2,621 USD
View
B
Retailer 9
-
$2,678 USD
View
Most Expensive
B
MOH London
LG440012253 · Oct 29
$4,516 USD
£3,556 GBP
View
9 more retailers have this diamond
Prices start from $830 USDSave up to $3,686 USD

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
1.50ct Oval
$830 USD