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Oval|Lab Grown|IGI

1.51ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG778676085

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778676085

Diamond specifications and retailer prices

From $221 USD
As of November 3, 2026
Save $872 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,093 USD 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778676085 or 778676085. Listed at 18 retailers as of November 3, 2026, with prices from $221 to $1,093, a $872 spread on the same certified stone. MOH London lists it at $1,093. 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 angle38.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778676085
Dimensions9.41 × 6.17 × 3.87 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.41 mm6.17 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778676085
Side View
Table 56.0%Crown 38.2°Girdle: STK-THKPavilion 37.9°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 3
Current: $1,093 USD|Low: $211 USD|High: $1,107 USD|Avg: $632 USD|-0.3%
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
Retailer 17
November 5, 2026
Retailer 3$221 USD
Retailer 17$246 USD
Retailer 14$256 USD
Retailer 12$274 USD
Retailer 7$275 USD
Retailer 6$468 USD
Retailer 11$472 USD
Retailer 15$496 USD
Retailer 16$602 USD
Retailer 10$639 USD
Retailer 13$880 USD
Retailer 2$883 USD
Retailer 8$889 USD
Retailer 9$930 USD
Retailer 4$932 USD
Retailer 5$1,080 USD
MOH London$1,093 USD

34 data points across 17 retailers

18 retailers$221 USD to $1,093 USD

A
Cheapest Retailer
-
$221 USD
A
Retailer 2
-
$246 USD
View
Final sale: no returns
A
Retailer 3
-
$256 USD
View
A
Retailer 4
-
$274 USD
View
Retailer 5
-
$275 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$468 USD
View
A
Retailer 7
-
$472 USD
View
A
Retailer 8
-
$496 USD
View
B+
Retailer 9
-
$602 USD
View
B+
Retailer 10
-
$639 USD
View
B+
Retailer 11
-
$731 USD
View
B+
Retailer 12
-
$880 USD
View
B
Retailer 13
-
$883 USD
View
B+
Retailer 14
-
$889 USD
View
Retailer 15
-
$930 USD
View
Price last confirmed 15 days ago
B
Retailer 16
-
$932 USD
View
B
Retailer 17
-
$1,080 USD
View
Most Expensive
B
MOH London
LG778676085 · Nov 5
$1,093 USD
£861 GBP
View
17 more retailers have this diamond
Prices start from $221 USDSave up to $872 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
$221 USD