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Cushion|Natural|GIA

0.51ct D SI2 Cushion Natural Diamond

GD • D/SI2 • GIA 2537087525

Certificate GIA 2537087525

Diamond specifications and retailer prices

From HK$3,028 HKD
$386 USD
As of November 2, 2026
Save HK$1,156 HKD (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$4,184 HKD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2537087525. Listed at 3 retailers as of November 2, 2026, with prices from HK$3,028 to HK$4,184, a HK$1,156 spread on the same certified stone. 77 Diamonds lists it at HK$4,184. 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
D
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2537087525
Dimensions4.70 × 4.38 × 2.92 mm
L/W Ratio1.07
Top View
4.70 mm4.38 mm0.51 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2537087525
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

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: Nov 2
Current: HK$4,184 HKD|Low: HK$2,652 HKD|High: HK$4,407 HKD|Avg: HK$3,356 HKD|+17.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4HK$2,686 HKD
Retailer 3HK$3,028 HKD
Retailer 2HK$3,629 HKD
77 DiamondsHK$4,184 HKD

35 data points across 4 retailers

3 retailersHK$3,028 HKD to HK$4,184 HKD

A
Cheapest Retailer
-
HK$3,028 HKD
$386 USD
Final sale: no returns
B+
Retailer 2
-
HK$3,629 HKD
SGD 625 SGD
View
Most Expensive
B+
77 Diamonds
CUSCPFZJRFCMH · Nov 2
HK$4,184 HKD
£420 GBP
View
2 more retailers have this diamond
Prices start from HK$3,028 HKDSave up to HK$1,156 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$3,028 HKD