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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6555180814

Certificate GIA 6555180814

Diamond specifications and retailer prices

From HK$2,347 HKD
₹28,489 INR
As of November 1, 2026
Save HK$5,186 HKD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$7,533 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.31ct natural cushion diamond

This 0.31ct natural cushion sits in the sub-half-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 6555180814. Listed at 11 retailers as of November 1, 2026, with prices from HK$2,347 to HK$7,533, a HK$5,186 spread on the same certified stone. MOH London lists it at HK$7,533. 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

0.31
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555180814
Dimensions3.84 × 3.82 × 2.55 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
3.84 mm3.82 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6555180814
Side View
Table 63.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 66.8%

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 1
Current: HK$7,533 HKD|Low: HK$2,341 HKD|High: HK$7,622 HKD|Avg: HK$4,805 HKD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3HK$2,347 HKD
Retailer 6HK$3,515 HKD
Retailer 2HK$4,038 HKD
Retailer 7HK$4,470 HKD
Retailer 5HK$5,057 HKD
Retailer 8HK$5,224 HKD
Retailer 4HK$5,248 HKD
MOH LondonHK$7,533 HKD

37 data points across 8 retailers

11 retailersHK$2,347 HKD to HK$7,533 HKD

A
Cheapest Retailer
-
HK$2,347 HKD
₹28,489 INR
A
Retailer 2
-
HK$3,515 HKD
$448 USD
View
B+
Retailer 3
-
HK$3,766 HKD
$480 USD
View
B+
Retailer 4
-
HK$4,038 HKD
£405 GBP
View
B+
Retailer 5
-
HK$4,323 HKD
$551 USD
View
B+
Retailer 6
-
HK$4,470 HKD
£449 GBP
View
B+
Retailer 7
-
HK$4,661 HKD
$594 USD
View
B+
Retailer 8
-
HK$5,057 HKD
ZAR 10,412 ZAR
View
Retailer 9
-
HK$5,224 HKD
A$1,024 AUD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
HK$5,248 HKD
€637 EUR
View
Most Expensive
B
MOH London
993528188 · Nov 1
HK$7,533 HKD
£756 GBP
View
10 more retailers have this diamond
Prices start from HK$2,347 HKDSave up to HK$5,186 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
0.31ct Cushion
HK$2,347 HKD