CaratHunter
Plans
Oval|Lab Grown|IGI

0.51ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG436046400

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436046400

Diamond specifications and retailer prices

From $384 SGD
$300 USD
As of October 31, 2026
Save $1,664 SGD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,047 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046400 or 436046400. Listed at 12 retailers as of October 29, 2026, with prices from $384 to $2,047, a $1,664 spread on the same certified stone. MOH London lists it at $2,047. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046400
Dimensions6.37 × 4.51 × 2.83 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
6.37 mm4.51 mm0.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046400
Side View
Table 57.5%Crown 33.7°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.7%

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 31
Current: $2,047 SGD|Low: $326 SGD|High: $2,062 SGD|Avg: $804 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$384 SGD
Retailer 6$410 SGD
Retailer 9$458 SGD
Retailer 7$509 SGD
Retailer 10$509 SGD
Retailer 8$826 SGD
Retailer 2$907 SGD
Retailer 4$924 SGD
Retailer 5$1,491 SGD
MOH London$2,047 SGD

43 data points across 10 retailers

12 retailers$384 SGD to $2,047 SGD

A
Cheapest Retailer
-
$384 SGD
$300 USD
A
Retailer 2
-
$410 SGD
$321 USD
View
B+
Retailer 3
-
$458 SGD
$358 USD
View
Final sale: no returns
B+
Retailer 4
-
$476 SGD
$372 USD
View
B+
Retailer 5
-
$509 SGD
$398 USD
View
B+
Retailer 6
-
$509 SGD
$398 USD
View
B
Retailer 7
-
$826 SGD
$646 USD
View
B
Retailer 8
-
$907 SGD
£559 GBP
View
B
Retailer 9
-
$924 SGD
€688 EUR
View
B
Retailer 10
-
$1,491 SGD
$1,166 USD
View
B
Retailer 11
-
$1,634 SGD
$1,278 USD
View
Most Expensive
B
MOH London
LG436046400 · Oct 29
$2,047 SGD
£1,261 GBP
View
11 more retailers have this diamond
Prices start from $384 SGDSave up to $1,664 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
$384 SGD