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Round|Lab Grown|IGI

0.51ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG677571662

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677571662

Diamond specifications and retailer prices

From $158 SGD
As of November 3, 2026
Save $1,475 SGD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,634 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677571662 or 677571662. Listed at 13 retailers as of November 2, 2026, with prices from $158 to $1,634, a $1,475 spread on the same certified stone. MOH London lists it at $1,634. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677571662
Dimensions5.10 × 5.15 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
5.10 mm5.15 mm0.51 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677571662
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.6%

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: $1,634 SGD|Low: $157 SGD|High: $1,642 SGD|Avg: $431 SGD|+0.8%
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
November 4, 2026
Retailer 3$158 SGD
Retailer 9$175 SGD
Retailer 11$183 SGD
Retailer 10$208 SGD
Retailer 14$208 SGD
Retailer 2$224 SGD
Retailer 5$319 SGD
Retailer 8$361 SGD
Retailer 13$377 SGD
Retailer 7$391 SGD
Retailer 6$415 SGD
Retailer 12$487 SGD
Retailer 4$628 SGD
Retailer 15$701 SGD
MOH London$1,634 SGD

24 data points across 15 retailers

13 retailers$158 SGD to $1,634 SGD

A
Cheapest Retailer
-
$158 SGD
A
Retailer 2
-
$175 SGD
View
Final sale: no returns
A
Retailer 3
-
$183 SGD
View
A
Retailer 4
-
$208 SGD
View
Retailer 5
-
$208 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$224 SGD
View
B+
Retailer 7
-
$319 SGD
View
B+
Retailer 8
-
$361 SGD
View
B+
Retailer 9
-
$377 SGD
View
B+
Retailer 10
-
$487 SGD
View
Retailer 11
-
$628 SGD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$701 SGD
View
Most Expensive
B
MOH London
LG677571662 · Nov 2
$1,634 SGD
£1,007 GBP
View
12 more retailers have this diamond
Prices start from $158 SGDSave up to $1,475 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 Round
$158 SGD