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Oval|Lab Grown|IGI

0.51ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037644

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037644

Diamond specifications and retailer prices

From $312 SGD
$244 USD
As of October 29, 2026
Save $1,243 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,555 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037644 or 445037644. Listed at 10 retailers as of October 29, 2026, with prices from $312 to $1,555, a $1,243 spread on the same certified stone. MOH London lists it at $1,555. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037644
Dimensions6.45 × 4.45 × 2.75 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.45 mm4.45 mm0.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037644
Side View
Table 56.0%Crown 31.9°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: Oct 29
Current: $1,555 SGD|Low: $247 SGD|High: $1,567 SGD|Avg: $693 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6$312 SGD
Retailer 9$348 SGD
Retailer 7$386 SGD
Retailer 10$386 SGD
Retailer 2$409 SGD
Retailer 8$649 SGD
Retailer 4$730 SGD
Retailer 11$767 SGD
Retailer 3$809 SGD
Retailer 5$1,245 SGD
MOH London$1,555 SGD

19 data points across 11 retailers

10 retailers$312 SGD to $1,555 SGD

A
Cheapest Retailer
-
$312 SGD
$244 USD
A
Retailer 2
-
$348 SGD
$272 USD
View
Final sale: no returns
A
Retailer 3
-
$362 SGD
$283 USD
View
B+
Retailer 4
-
$386 SGD
$302 USD
View
B+
Retailer 5
-
$386 SGD
$302 USD
View
A
Retailer 6
-
$409 SGD
$320 USD
View
B+
Retailer 7
-
$649 SGD
$508 USD
View
B
Retailer 8
-
$1,241 SGD
$971 USD
View
B
Retailer 9
-
$1,245 SGD
$974 USD
View
Most Expensive
B
MOH London
LG445037644 · Oct 29
$1,555 SGD
£958 GBP
View
9 more retailers have this diamond
Prices start from $312 SGDSave up to $1,243 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
$312 SGD