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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1553420879

Certificate GIA 1553420879

Diamond specifications and retailer prices

From $627 NZD
₹33,606 INR
As of November 2, 2026
Save $1,368 NZD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,995 NZD 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 1553420879. Listed at 10 retailers as of November 1, 2026, with prices from $627 to $1,995, a $1,368 spread on the same certified stone. MOH London lists it at $1,995. 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
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553420879
Dimensions3.83 × 3.83 × 2.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
3.83 mm3.83 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1553420879
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.1%

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: $1,995 NZD|Low: $626 NZD|High: $2,018 NZD|Avg: $1,285 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$627 NZD
Retailer 8$880 NZD
Retailer 6$930 NZD
Retailer 3$1,079 NZD
Retailer 7$1,184 NZD
Retailer 4$1,299 NZD
Retailer 5$1,339 NZD
Retailer 9$1,383 NZD
Retailer 10$1,769 NZD
MOH London$1,995 NZD

36 data points across 10 retailers

10 retailers$627 NZD to $1,995 NZD

A
Cheapest Retailer
-
$627 NZD
₹33,606 INR
B+
Retailer 2
-
$880 NZD
$495 USD
View
B+
Retailer 3
-
$997 NZD
$561 USD
View
B+
Retailer 4
-
$1,079 NZD
£478 GBP
View
B+
Retailer 5
-
$1,086 NZD
$611 USD
View
B+
Retailer 6
-
$1,184 NZD
£524 GBP
View
B
Retailer 7
-
$1,299 NZD
€696 EUR
View
B
Retailer 8
-
$1,339 NZD
ZAR 12,174 ZAR
View
Retailer 9
-
$1,383 NZD
A$1,198 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
EFE886342 · Nov 1
$1,995 NZD
£884 GBP
View
9 more retailers have this diamond
Prices start from $627 NZDSave up to $1,368 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
$627 NZD