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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG764605608

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG764605608

Diamond specifications and retailer prices

From $110 SGD
As of November 1, 2026
Save $422 SGD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,012 SGD at MOH London · As of October 29, 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 LG764605608 or 764605608. Listed at 15 retailers as of November 1, 2026, with a 383% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764605608
Dimensions6.19 × 4.56 × 2.85 mm
L/W Ratio1.36
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
6.19 mm4.56 mm0.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG764605608
Side View
Table 58.0%Crown 32.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,012 SGD|Low: $106 SGD|High: $1,019 SGD|Avg: $320 SGD|-0.6%
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
November 2, 2026
Retailer 9$110 SGD
Retailer 13$124 SGD
Retailer 5$146 SGD
Retailer 12$146 SGD
Retailer 7$218 SGD
Retailer 6$247 SGD
Retailer 10$263 SGD
Retailer 3$292 SGD
Retailer 2$293 SGD
Retailer 8$331 SGD
Retailer 11$359 SGD
Retailer 4$532 SGD
MOH London$1,012 SGD

41 data points across 13 retailers

15 retailers$110 SGD to $532 SGD

A
Cheapest Retailer
-
$110 SGD
A
Retailer 2
-
$128 SGD
View
A
Retailer 3
-
$146 SGD
View
Retailer 4
-
$146 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$218 SGD
View
A
Retailer 6
-
$247 SGD
View
A
Retailer 7
-
$263 SGD
View
A
Retailer 8
-
$292 SGD
View
B+
Retailer 9
-
$293 SGD
View
A
Retailer 10
-
$331 SGD
View
B+
Retailer 11
-
$359 SGD
View
B+
Retailer 12
-
$441 SGD
View
B
Retailer 13
-
$516 SGD
View
B
Retailer 14
-
$532 SGD
View
Most Expensive
MOH London
LG764605608 · Oct 29
$1,012 SGD
£622 GBP
View
Price last confirmed 8 days ago
14 more retailers have this diamond
Prices start from $110 SGDSave up to $422 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
$110 SGD