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Cushion|Natural|IGI

0.51ct G SI2 Cushion Natural Diamond

VG • G/SI2 • IGI 741597223

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI 741597223

Diamond specifications and retailer prices

From HK$4,339 HKD
£435 GBP
As of November 2, 2026
Save HK$3,662 HKD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$8,002 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 741597223. Listed at 5 retailers as of November 1, 2026, with prices from HK$4,339 to HK$8,002, a HK$3,662 spread on the same certified stone. MOH London lists it at HK$8,002. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.7°
Pavilion angle36.6°
OriginNatural
Grading LabIGI
CertificateIGI 741597223
Dimensions4.50 × 4.39 × 3.01 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Top View
4.50 mm4.39 mm0.51 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 741597223
Side View
Table 64.0%Crown 36.7°Girdle: THK-VTKPavilion 36.6°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$8,002 HKD|Low: HK$2,507 HKD|High: HK$8,231 HKD|Avg: HK$5,389 HKD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3HK$4,339 HKD
Retailer 4HK$4,491 HKD
Retailer 5HK$4,846 HKD
Retailer 2HK$5,256 HKD
Retailer 6HK$5,340 HKD
MOH LondonHK$8,002 HKD

24 data points across 6 retailers

5 retailersHK$4,339 HKD to HK$8,002 HKD

B+
Cheapest Retailer
-
HK$4,339 HKD
£435 GBP
B+
Retailer 2
-
HK$4,491 HKD
$572 USD
View
B+
Retailer 3
-
HK$4,846 HKD
$618 USD
View
B
Retailer 4
-
HK$5,256 HKD
€638 EUR
View
Most Expensive
B
MOH London
9C03D126B · Nov 1
HK$8,002 HKD
£803 GBP
View
4 more retailers have this diamond
Prices start from HK$4,339 HKDSave up to HK$3,662 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.

B+
0.51ct Cushion
HK$4,339 HKD