CaratHunter
Plans
Cushion|Natural|GIA

0.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6502986341

Certificate GIA 6502986341

Diamond specifications and retailer prices

From HK$3,213 HKD
As of November 6, 2026
Save HK$5,094 HKD (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$8,308 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 6502986341. Listed at 10 retailers as of November 6, 2026, with prices from HK$3,213 to HK$8,308, a HK$5,094 spread on the same certified stone. Do Amore Diamonds lists it at HK$8,308. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6502986341
Dimensions4.52 × 4.42 × 2.97 mm
L/W Ratio1.02
Top View
4.52 mm4.42 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6502986341
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.2%

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$8,308 HKD|Low: HK$2,649 HKD|High: HK$9,170 HKD|Avg: HK$4,263 HKD|-9.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10HK$2,963 HKD
Retailer 7HK$3,064 HKD
Retailer 6HK$3,213 HKD
Retailer 3HK$3,276 HKD
Retailer 9HK$3,676 HKD
Retailer 8HK$4,091 HKD
Retailer 2HK$4,193 HKD
Retailer 4HK$4,389 HKD
Retailer 11HK$4,389 HKD
Retailer 5HK$4,546 HKD
Do Amore DiamondsHK$8,308 HKD

41 data points across 11 retailers

10 retailersHK$3,213 HKD to HK$8,308 HKD

Retailer 1
-
HK$2,963 HKD
Price last confirmed 12 days ago
A
Retailer 2
-
HK$3,213 HKD
View
A
Retailer 3
-
HK$3,276 HKD
View
Retailer 4
-
HK$3,676 HKD
View
Price last confirmed 10 days ago
Retailer 5
-
HK$4,091 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$4,193 HKD
View
Retailer 7
-
HK$4,389 HKD
View
Price last confirmed 10 days ago
Retailer 8
-
HK$4,389 HKD
View
Price last confirmed 10 days ago
Retailer 9
-
HK$4,546 HKD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
12-100760658646 · Nov 6
HK$8,308 HKD
$1,060 USD
View
9 more retailers have this diamond
Prices start from HK$3,213 HKDSave up to HK$5,094 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$3,213 HKD