CaratHunter
Plans
Cushion|Natural|GIA

1.31ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6551312937

Certificate GIA 6551312937

Diamond specifications and retailer prices

From $4,619 NZD
As of November 2, 2026
Save $7,326 NZD (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,945 NZD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.31ct natural cushion diamond

This 1.31ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551312937. Listed at 14 retailers as of October 28, 2026, with prices from $4,619 to $11,945, a $7,326 spread on the same certified stone. Queensmith lists it at $11,945. 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

1.31
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551312937
Dimensions7.54 × 5.61 × 3.79 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
7.54 mm5.61 mm1.31 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551312937
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

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: $11,945 NZD|Low: $4,619 NZD|High: $11,979 NZD|Avg: $6,916 NZD|+2.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 10$4,619 NZD
Retailer 6$4,834 NZD
Retailer 7$5,482 NZD
Retailer 12$5,665 NZD
Retailer 3$6,191 NZD
Retailer 2$6,349 NZD
Retailer 11$6,394 NZD
Retailer 4$6,491 NZD
Retailer 9$6,525 NZD
Retailer 5$7,155 NZD
Retailer 8$10,263 NZD
Queensmith$11,945 NZD

30 data points across 12 retailers

14 retailers$4,619 NZD to $11,945 NZD

A
Cheapest Retailer
-
$4,619 NZD
A
Retailer 2
-
$4,834 NZD
View
A
Retailer 3
-
$5,482 NZD
View
B+
Retailer 4
-
$5,665 NZD
View
Final sale: no returns
B+
Retailer 5
-
$5,779 NZD
View
B+
Retailer 6
-
$6,122 NZD
View
Retailer 7
-
$6,191 NZD
View
Price last confirmed 19 days ago
B+
Retailer 8
-
$6,349 NZD
View
B+
Retailer 9
-
$6,394 NZD
View
Retailer 10
-
$6,491 NZD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$6,525 NZD
View
B
Retailer 12
-
$7,155 NZD
View
B
Retailer 13
-
$10,263 NZD
View
Most Expensive
B
Queensmith
6551312937 · Oct 28
$11,945 NZD
£5,290 GBP
View
13 more retailers have this diamond
Prices start from $4,619 NZDSave up to $7,326 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
1.31ct Cushion
$4,619 NZD