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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 HK$2,354 HKD
$300 USD
As of October 31, 2026
Save HK$10,151 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$12,505 HKD at MOH London · As of November 1, 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 31, 2026, with prices from HK$2,354 to HK$12,505, a HK$10,151 spread on the same certified stone. MOH London lists it at HK$12,505. 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
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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: HK$12,505 HKD|Low: HK$2,001 HKD|High: HK$12,654 HKD|Avg: HK$4,959 HKD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3HK$2,354 HKD
Retailer 6HK$2,518 HKD
Retailer 9HK$2,809 HKD
Retailer 7HK$3,123 HKD
Retailer 10HK$3,123 HKD
Retailer 8HK$5,068 HKD
Retailer 2HK$5,569 HKD
Retailer 4HK$5,668 HKD
Retailer 5HK$9,148 HKD
MOH LondonHK$12,505 HKD

43 data points across 10 retailers

12 retailersHK$2,354 HKD to HK$12,505 HKD

A
Cheapest Retailer
-
HK$2,354 HKD
$300 USD
A
Retailer 2
-
HK$2,518 HKD
$321 USD
View
B+
Retailer 3
-
HK$2,809 HKD
$358 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$2,919 HKD
$372 USD
View
B+
Retailer 5
-
HK$3,123 HKD
$398 USD
View
B+
Retailer 6
-
HK$3,123 HKD
$398 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
HK$5,068 HKD
$646 USD
View
B
Retailer 8
-
HK$5,569 HKD
£559 GBP
View
B
Retailer 9
-
HK$5,668 HKD
€688 EUR
View
B
Retailer 10
-
HK$9,148 HKD
$1,166 USD
View
B
Retailer 11
-
HK$10,027 HKD
$1,278 USD
View
Most Expensive
B
MOH London
LG436046400 · Nov 1
HK$12,505 HKD
£1,255 GBP
View
11 more retailers have this diamond
Prices start from HK$2,354 HKDSave up to HK$10,151 HKD

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
HK$2,354 HKD