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Cushion|Natural|GIA

1.31ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1545944738

Certificate GIA 1545944738

Diamond specifications and retailer prices

From $7,901 NZD
As of November 6, 2026
Save $7,890 NZD (50%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,792 NZD at MOH London · As of November 4, 2026
View at MOH London

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 E 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 1545944738. Listed at 18 retailers as of November 4, 2026, with prices from $7,901 to $15,792, a $7,890 spread on the same certified stone. MOH London lists it at $15,792. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.89°
OriginNatural
Grading LabGIA
CertificateGIA 1545944738
Dimensions7.12 × 5.60 × 3.91 mm
L/W Ratio1.27
Key to symbols
Crystal, Feather, Needle
Top View
7.12 mm5.60 mm1.31 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545944738
Side View
Table 61.0%CrownGirdle: STK-VTKPavilion 35.89°Culet: NoneDepth 69.8%

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 6
Current: $15,792 NZD|Low: $7,787 NZD|High: $16,025 NZD|Avg: $10,973 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 5$7,901 NZD
Retailer 3$8,987 NZD
Retailer 9$9,377 NZD
Retailer 8$9,737 NZD
Retailer 6$10,381 NZD
Retailer 11$10,399 NZD
Retailer 4$10,764 NZD
Retailer 10$11,094 NZD
Retailer 12$11,094 NZD
Retailer 13$11,473 NZD
Retailer 2$11,677 NZD
Retailer 7$13,113 NZD
MOH London$15,792 NZD

45 data points across 13 retailers

18 retailers$7,901 NZD to $15,792 NZD

A
Cheapest Retailer
-
$7,901 NZD
B+
Retailer 2
-
$8,491 NZD
View
B+
Retailer 3
-
$8,495 NZD
View
B+
Retailer 4
-
$8,599 NZD
View
B+
Retailer 5
-
$8,987 NZD
View
Final sale: no returns
B+
Retailer 6
-
$9,128 NZD
View
B+
Retailer 7
-
$9,377 NZD
View
Retailer 8
-
$9,737 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$10,381 NZD
View
B
Retailer 10
-
$10,399 NZD
View
Retailer 11
-
$10,764 NZD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
$11,094 NZD
View
B+
Retailer 13
-
$11,094 NZD
View
B
Retailer 14
-
$11,473 NZD
View
B+
Retailer 15
-
$11,677 NZD
View
Retailer 16
-
$11,853 NZD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$13,113 NZD
View
Most Expensive
B
MOH London
23ED74DE8 · Nov 4
$15,792 NZD
£6,893 GBP
View
17 more retailers have this diamond
Prices start from $7,901 NZDSave up to $7,890 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
$7,901 NZD