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Oval|Lab Grown|IGI

1.51ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG818663908

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818663908

Diamond specifications and retailer prices

From $232 USD
As of October 29, 2026
Save $922 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,154 USD at MOH London · As of October 26, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818663908 or 818663908. Listed at 16 retailers as of October 26, 2026, with prices from $232 to $1,154, a $922 spread on the same certified stone. MOH London lists it at $1,154. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663908
Dimensions9.15 × 6.61 × 4.05 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.15 mm6.61 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663908
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

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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: $1,154 USD|Low: $221 USD|High: $1,156 USD|Avg: $668 USD|+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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 5$232 USD
Retailer 3$259 USD
Retailer 6$269 USD
Retailer 13$288 USD
Retailer 14$288 USD
Retailer 10$488 USD
Retailer 11$494 USD
Retailer 8$500 USD
Retailer 12$672 USD
Retailer 2$763 USD
Retailer 15$925 USD
Retailer 7$930 USD
Retailer 4$930 USD
Retailer 16$977 USD
Retailer 9$1,110 USD
MOH London$1,154 USD

34 data points across 16 retailers

16 retailers$232 USD to $1,154 USD

A
Cheapest Retailer
-
$232 USD
A
Retailer 2
-
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$269 USD
View
A
Retailer 4
-
$288 USD
View
A
Retailer 5
-
$288 USD
View
A
Retailer 6
-
$488 USD
View
A
Retailer 7
-
$494 USD
ZAR 7,986 ZAR
View
A
Retailer 8
-
$500 USD
View
B+
Retailer 9
-
$672 USD
A$1,034 AUD
View
B
Retailer 10
-
$763 USD
View
B+
Retailer 11
-
$925 USD
View
Retailer 12
-
$930 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$930 USD
SGD 1,257 SGD
View
B
Retailer 14
-
$977 USD
View
B
Retailer 15
-
$1,110 USD
View
Most Expensive
B
MOH London
LG818663908 · Oct 26
$1,154 USD
£909 GBP
View
15 more retailers have this diamond
Prices start from $232 USDSave up to $922 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
1.51ct Oval
$232 USD