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0.51ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG341864712

Shape and cutting style on the report: Round brilliant

Certificate IGI LG341864712

Diamond specifications and retailer prices

From HK$1,004 HKD
$128 USD
As of October 29, 2026
Save HK$9,458 HKD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$10,462 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG341864712 or 341864712. Listed at 8 retailers as of October 29, 2026, with prices from HK$1,004 to HK$10,462, a HK$9,458 spread on the same certified stone. MOH London lists it at HK$10,462. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG341864712
Dimensions5.09 × 5.14 × 3.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
The laboratory grown diamond described above is classified as Type IIa. Laserscribe on Girdle: "LAB GROWN LG 341864712"
Top View
5.09 mm5.14 mm0.51 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG341864712
Side View
Table 57.0%Crown 35.5°GirdlePavilion 41.1°Culet: NoneDepth 62.1%

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: HK$10,462 HKD|Low: HK$1,004 HKD|High: HK$10,532 HKD|Avg: HK$3,351 HKD|-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 6HK$1,004 HKD
Retailer 5HK$1,169 HKD
Retailer 4HK$1,247 HKD
Retailer 2HK$2,315 HKD
Retailer 7HK$2,385 HKD
Retailer 10HK$2,746 HKD
Retailer 9HK$3,389 HKD
Retailer 3HK$4,009 HKD
Retailer 8HK$5,065 HKD
MOH LondonHK$10,462 HKD

20 data points across 10 retailers

8 retailersHK$1,004 HKD to HK$10,462 HKD

A
Cheapest Retailer
-
HK$1,004 HKD
$128 USD
A
Retailer 2
-
HK$1,169 HKD
$149 USD
View
A
Retailer 3
-
HK$1,247 HKD
$159 USD
View
A
Retailer 4
-
HK$2,315 HKD
€281 EUR
View
B+
Retailer 5
-
HK$2,385 HKD
$304 USD
View
B+
Retailer 6
-
HK$2,746 HKD
$350 USD
View
B+
Retailer 7
-
HK$4,009 HKD
$511 USD
View
Most Expensive
B
MOH London
LG_341864712 · Oct 29
HK$10,462 HKD
£1,050 GBP
View
7 more retailers have this diamond
Prices start from HK$1,004 HKDSave up to HK$9,458 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 Round
HK$1,004 HKD