CaratHunter
Plans
Cushion|Lab Grown|IGI

0.51ct F SI2 Cushion Lab Grown Diamond

ID • F/SI2 • IGI LG436073162

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG436073162

Diamond specifications and retailer prices

From HK$2,432 HKD
$310 USD
As of October 31, 2026
Save HK$2,766 HKD (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$11,359 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073162 or 436073162. Listed at 5 retailers as of October 31, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073162
Dimensions4.82 × 4.49 × 3.07 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
4.82 mm4.49 mm0.51 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436073162
Side View
Table 58.5%Crown 34.2°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 68.4%

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 31
Current: HK$11,359 HKD|Low: HK$2,432 HKD|High: HK$11,429 HKD|Avg: HK$5,423 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3HK$2,432 HKD
Retailer 4HK$2,817 HKD
Retailer 5HK$4,637 HKD
Retailer 7HK$4,829 HKD
Retailer 2HK$5,198 HKD
Retailer 6HK$5,633 HKD
MOH LondonHK$11,359 HKD

18 data points across 7 retailers

5 retailersHK$2,432 HKD to HK$5,198 HKD

A
Cheapest Retailer
-
HK$2,432 HKD
$310 USD
Retailer 2
-
HK$2,817 HKD
$359 USD
View
Price last confirmed 8 days ago
B
Retailer 3
-
HK$4,637 HKD
$591 USD
View
B
Retailer 4
-
HK$5,198 HKD
€631 EUR
View
Most Expensive
MOH London
LG436073162 · Oct 29
HK$11,359 HKD
£1,140 GBP
View
Price under review
4 more retailers have this diamond
Prices start from HK$2,432 HKDSave up to HK$2,766 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 Cushion
HK$2,432 HKD