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Oval|Lab Grown|IGI

0.51ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447001122

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001122

Diamond specifications and retailer prices

From $350 SGD
$274 USD
As of October 29, 2026
Save $1,402 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,752 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001122 or 447001122. Listed at 10 retailers as of October 29, 2026, with prices from $350 to $1,752, a $1,402 spread on the same certified stone. MOH London lists it at $1,752. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001122
Dimensions6.23 × 4.66 × 2.86 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.23 mm4.66 mm0.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447001122
Side View
Table 60.5%Crown 31.7°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 61.4%

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: Oct 29
Current: $1,752 SGD|Low: $336 SGD|High: $1,765 SGD|Avg: $842 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
Retailer 12
October 29, 2026
Retailer 6$350 SGD
Retailer 10$392 SGD
Retailer 8$435 SGD
Retailer 11$435 SGD
Retailer 7$460 SGD
Retailer 12$639 SGD
Retailer 9$721 SGD
Retailer 2$805 SGD
Retailer 3$886 SGD
Retailer 5$1,336 SGD
Retailer 4$1,749 SGD
MOH London$1,752 SGD

18 data points across 12 retailers

10 retailers$350 SGD to $1,752 SGD

A
Cheapest Retailer
-
$350 SGD
$274 USD
A
Retailer 2
-
$392 SGD
$307 USD
View
Final sale: no returns
A
Retailer 3
-
$407 SGD
$318 USD
View
B+
Retailer 4
-
$435 SGD
$340 USD
View
B+
Retailer 5
-
$435 SGD
$340 USD
View
B+
Retailer 6
-
$460 SGD
$360 USD
View
B
Retailer 7
-
$721 SGD
$564 USD
View
B
Retailer 8
-
$1,336 SGD
$1,045 USD
View
B
Retailer 9
-
$1,399 SGD
$1,094 USD
View
Most Expensive
B
MOH London
LG447001122 · Oct 29
$1,752 SGD
£1,079 GBP
View
9 more retailers have this diamond
Prices start from $350 SGDSave up to $1,402 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
$350 SGD