CaratHunter
Plans
Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG735508929

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG735508929

Diamond specifications and retailer prices

From $106 SGD
As of November 1, 2026
Save $859 SGD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $965 SGD at MOH London · As of November 2, 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 LG735508929 or 735508929. Listed at 15 retailers as of November 1, 2026, with prices from $106 to $965, a $859 spread on the same certified stone. MOH London lists it at $965. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735508929
Dimensions6.50 × 4.42 × 2.79 mm
L/W Ratio1.47
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
6.50 mm4.42 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG735508929
Side View
Table 59.0%Crown 31.3°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $965 SGD|Low: $87 SGD|High: $1,017 SGD|Avg: $292 SGD|-5.1%
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 2, 2026
Retailer 12$106 SGD
Retailer 10$118 SGD
Retailer 5$123 SGD
Retailer 13$140 SGD
Retailer 6$144 SGD
Retailer 15$218 SGD
Retailer 8$232 SGD
Retailer 9$255 SGD
Retailer 4$285 SGD
Retailer 2$287 SGD
Retailer 11$317 SGD
Retailer 7$359 SGD
Retailer 3$422 SGD
Retailer 14$431 SGD
MOH London$965 SGD

37 data points across 15 retailers

15 retailers$106 SGD to $965 SGD

A
Cheapest Retailer
-
$106 SGD
A
Retailer 2
-
$118 SGD
View
Final sale: no returns
A
Retailer 3
-
$123 SGD
View
A
Retailer 4
-
$140 SGD
View
Retailer 5
-
$144 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$218 SGD
View
A
Retailer 7
-
$232 SGD
View
A
Retailer 8
-
$255 SGD
View
A
Retailer 9
-
$285 SGD
View
A
Retailer 10
-
$287 SGD
View
A
Retailer 11
-
$317 SGD
View
B+
Retailer 12
-
$359 SGD
View
B+
Retailer 13
-
$422 SGD
View
B+
Retailer 14
-
$431 SGD
View
Most Expensive
B
MOH London
LG735508929 · Nov 2
$965 SGD
£593 GBP
View
14 more retailers have this diamond
Prices start from $106 SGDSave up to $859 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
$106 SGD