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Oval|Lab Grown|IGI

1.51ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG818682051

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818682051

Diamond specifications and retailer prices

From $311 SGD
As of November 3, 2026
Save $1,555 SGD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,866 SGD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682051 or 818682051. Listed at 21 retailers as of November 3, 2026, with prices from $311 to $1,866, a $1,555 spread on the same certified stone. Brilliant Earth lists it at $1,866. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682051
Dimensions8.98 × 6.52 × 4.11 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
8.98 mm6.52 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682051
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: Nov 3
Current: $1,866 SGD|Low: $305 SGD|High: $1,866 SGD|Avg: $892 SGD
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 11$311 SGD
Retailer 9$348 SGD
Retailer 6$360 SGD
Retailer 3$386 SGD
Retailer 20$386 SGD
Retailer 14$450 SGD
Retailer 18$649 SGD
Retailer 5$665 SGD
Retailer 16$666 SGD
Retailer 2$725 SGD
Retailer 17$801 SGD
Retailer 19$898 SGD
Retailer 15$994 SGD
Retailer 7$1,197 SGD
Retailer 4$1,240 SGD
Retailer 10$1,247 SGD
Retailer 8$1,306 SGD
Retailer 13$1,541 SGD
Retailer 12$1,569 SGD
Brilliant Earth$1,866 SGD

25 data points across 20 retailers

21 retailers$311 SGD to $1,866 SGD

A
Cheapest Retailer
-
$311 SGD
A
Retailer 2
-
$348 SGD
View
Final sale: no returns
A
Retailer 3
-
$360 SGD
View
A
Retailer 4
-
$386 SGD
View
Retailer 5
-
$386 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$450 SGD
View
A
Retailer 7
-
$649 SGD
View
A
Retailer 8
-
$665 SGD
View
A
Retailer 9
-
$666 SGD
View
A
Retailer 10
-
$725 SGD
View
A
Retailer 11
-
$801 SGD
View
Retailer 12
-
$898 SGD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$994 SGD
View
Retailer 14
-
$1,160 SGD
View
Price last confirmed 31 days ago
B
Retailer 15
-
$1,197 SGD
View
B+
Retailer 16
-
$1,240 SGD
View
B+
Retailer 17
-
$1,247 SGD
View
B+
Retailer 18
-
$1,306 SGD
View
B
Retailer 19
-
$1,541 SGD
View
B
Retailer 20
-
$1,569 SGD
View
Most Expensive
B
Brilliant Earth
21636634A · Nov 3
$1,866 SGD
$1,460 USD
View
20 more retailers have this diamond
Prices start from $311 SGDSave up to $1,555 SGD

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
$311 SGD