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Cushion|Natural|GIA

0.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1525126298

Certificate GIA 1525126298

Diamond specifications and retailer prices

From HK$3,190 HKD
As of November 6, 2026
Save HK$5,431 HKD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$8,621 HKD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1525126298. Listed at 5 retailers as of November 6, 2026, with prices from HK$3,190 to HK$8,621, a HK$5,431 spread on the same certified stone. Do Amore Diamonds lists it at HK$8,621. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1525126298
Dimensions4.71 × 4.26 × 2.89 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Crystal
Top View
4.71 mm4.26 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1525126298
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.8%

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 6
Current: HK$8,621 HKD|Low: HK$2,798 HKD|High: HK$9,562 HKD|Avg: HK$4,578 HKD|-9.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3HK$3,190 HKD
Retailer 5HK$3,417 HKD
Retailer 6HK$3,637 HKD
Retailer 4HK$3,762 HKD
Retailer 2HK$4,373 HKD
Do Amore DiamondsHK$8,621 HKD

40 data points across 6 retailers

5 retailersHK$3,190 HKD to HK$8,621 HKD

A
Cheapest Retailer
-
HK$3,190 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,417 HKD
View
A
Retailer 3
-
HK$3,762 HKD
View
A
Retailer 4
-
HK$4,373 HKD
View
Most Expensive
B
Do Amore Diamonds
12-100761265675 · Nov 6
HK$8,621 HKD
$1,100 USD
View
4 more retailers have this diamond
Prices start from HK$3,190 HKDSave up to HK$5,431 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$3,190 HKD