CaratHunter
Plans
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 HK$2,150 HKD
$274 USD
As of November 1, 2026
Save HK$8,552 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$10,701 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 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 November 1, 2026, with prices from HK$2,150 to HK$10,701, a HK$8,552 spread on the same certified stone. MOH London lists it at HK$10,701. 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
undefined
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: Nov 1
Current: HK$10,701 HKD|Low: HK$2,063 HKD|High: HK$10,831 HKD|Avg: HK$5,160 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6HK$2,150 HKD
Retailer 10HK$2,409 HKD
Retailer 8HK$2,668 HKD
Retailer 11HK$2,668 HKD
Retailer 7HK$2,824 HKD
Retailer 12HK$3,923 HKD
Retailer 9HK$4,425 HKD
Retailer 2HK$4,943 HKD
Retailer 3HK$5,437 HKD
Retailer 5HK$8,199 HKD
MOH LondonHK$10,701 HKD
Retailer 4HK$10,731 HKD

19 data points across 12 retailers

10 retailersHK$2,150 HKD to HK$10,701 HKD

A
Cheapest Retailer
-
HK$2,150 HKD
$274 USD
A
Retailer 2
-
HK$2,409 HKD
$307 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,495 HKD
$318 USD
View
B+
Retailer 4
-
HK$2,668 HKD
$340 USD
View
Retailer 5
-
HK$2,668 HKD
$340 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$2,824 HKD
$360 USD
View
B
Retailer 7
-
HK$4,425 HKD
$564 USD
View
B
Retailer 8
-
HK$8,199 HKD
$1,045 USD
View
B
Retailer 9
-
HK$8,583 HKD
$1,094 USD
View
Most Expensive
B
MOH London
LG447001122 · Nov 1
HK$10,701 HKD
£1,074 GBP
View
9 more retailers have this diamond
Prices start from HK$2,150 HKDSave up to HK$8,552 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$2,150 HKD