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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG837660529

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG837660529

Diamond specifications and retailer prices

From $237 SGD
As of November 4, 2026
Save $1,215 SGD (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,452 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG837660529 or 837660529. Listed at 8 retailers as of November 4, 2026, with prices from $237 to $1,452, a $1,215 spread on the same certified stone. MOH London lists it at $1,452. 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

0.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837660529
Dimensions6.26 × 4.48 × 2.79 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.26 mm4.48 mm0.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837660529
Side View
Table 62.0%Crown 35.8°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,452 SGD|Low: $231 SGD|High: $1,517 SGD|Avg: $522 SGD|-4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$231 SGD
Retailer 7$237 SGD
Retailer 3$311 SGD
Retailer 2$345 SGD
Retailer 5$420 SGD
Retailer 4$461 SGD
Retailer 6$634 SGD
MOH London$1,452 SGD

20 data points across 8 retailers

8 retailers$237 SGD to $1,452 SGD

Retailer 1
-
$231 SGD
Price last confirmed 9 days ago
A
Retailer 2
-
$237 SGD
View
A
Retailer 3
-
$311 SGD
View
A
Retailer 4
-
$345 SGD
View
Retailer 5
-
$420 SGD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$461 SGD
View
B
Retailer 7
-
$634 SGD
View
Most Expensive
B
MOH London
LG837660529 · Nov 5
$1,452 SGD
£892 GBP
View
7 more retailers have this diamond
Prices start from $237 SGDSave up to $1,215 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
0.51ct Oval
$237 SGD