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Cushion|Natural|GIA

0.31ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6552406161

Certificate GIA 6552406161

Diamond specifications and retailer prices

From $810 NZD
SGD 616 SGD
As of November 3, 2026
Save $1,165 NZD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,975 NZD at Queensmith · As of October 28, 2026
View at Queensmith

About this 0.31ct natural cushion diamond

This 0.31ct natural cushion sits in the sub-half-carat band, graded F 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 6552406161. Listed at 11 retailers as of October 28, 2026, with prices from $810 to $1,975, a $1,165 spread on the same certified stone. Queensmith lists it at $1,975. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552406161
Dimensions3.85 × 3.86 × 2.57 mm
L/W Ratio1.00
Top View
3.85 mm3.86 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552406161
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 66.7%

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 3
Current: $1,975 NZD|Low: $808 NZD|High: $2,034 NZD|Avg: $1,309 NZD|-1.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 2$810 NZD
Retailer 4$1,016 NZD
Retailer 8$1,049 NZD
Retailer 10$1,118 NZD
Retailer 9$1,125 NZD
Retailer 11$1,156 NZD
Retailer 6$1,235 NZD
Retailer 7$1,265 NZD
Retailer 3$1,394 NZD
Retailer 5$1,885 NZD
Queensmith$1,975 NZD

37 data points across 11 retailers

11 retailers$810 NZD to $1,975 NZD

A
Cheapest Retailer
-
$810 NZD
SGD 616 SGD
B+
Retailer 2
-
$1,016 NZD
£450 GBP
View
B+
Retailer 3
-
$1,049 NZD
$590 USD
View
B+
Retailer 4
-
$1,118 NZD
£496 GBP
View
B+
Retailer 5
-
$1,125 NZD
$633 USD
View
B+
Retailer 6
-
$1,156 NZD
$650 USD
View
B
Retailer 7
-
$1,235 NZD
€662 EUR
View
B
Retailer 8
-
$1,265 NZD
ZAR 11,502 ZAR
View
Retailer 9
-
$1,394 NZD
A$1,206 AUD
View
Price last confirmed 29 days ago
B
Retailer 10
-
$1,885 NZD
£835 GBP
View
Most Expensive
B
Queensmith
6552406161 · Oct 28
$1,975 NZD
£875 GBP
View
10 more retailers have this diamond
Prices start from $810 NZDSave up to $1,165 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
$810 NZD