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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 $531 NZD
₹28,480 INR
As of November 2, 2026
Save $1,175 NZD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,706 NZD at MOH London · As of November 2, 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 2, 2026, with prices from $531 to $1,706, a $1,175 spread on the same certified stone. MOH London lists it at $1,706. 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 2
Current: $1,706 NZD|Low: $530 NZD|High: $1,727 NZD|Avg: $1,088 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$531 NZD
Retailer 6$796 NZD
Retailer 3$915 NZD
Retailer 7$1,013 NZD
Retailer 5$1,145 NZD
Retailer 8$1,183 NZD
Retailer 4$1,189 NZD
MOH London$1,706 NZD

36 data points across 8 retailers

11 retailers$531 NZD to $1,706 NZD

A
Cheapest Retailer
-
$531 NZD
₹28,480 INR
A
Retailer 2
-
$796 NZD
$448 USD
View
B+
Retailer 3
-
$853 NZD
$480 USD
View
B+
Retailer 4
-
$915 NZD
£405 GBP
View
B+
Retailer 5
-
$979 NZD
$551 USD
View
B+
Retailer 6
-
$1,013 NZD
£449 GBP
View
B+
Retailer 7
-
$1,056 NZD
$594 USD
View
B+
Retailer 8
-
$1,145 NZD
ZAR 10,412 ZAR
View
Retailer 9
-
$1,183 NZD
A$1,024 AUD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$1,189 NZD
€637 EUR
View
Most Expensive
B
MOH London
993528188 · Nov 2
$1,706 NZD
£756 GBP
View
10 more retailers have this diamond
Prices start from $531 NZDSave up to $1,175 NZD

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
$531 NZD