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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 5231875067

Certificate GIA 5231875067

Diamond specifications and retailer prices

From $4,834 NZD
As of November 6, 2026
Save $4,781 NZD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,615 NZD at MOH London · As of November 7, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231875067. Listed at 16 retailers as of November 6, 2026, with prices from $4,834 to $9,615, a $4,781 spread on the same certified stone. MOH London lists it at $9,615. 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

1.20
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231875067
Dimensions7.30 × 5.63 × 3.53 mm
L/W Ratio1.30
Top View
7.30 mm5.63 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231875067
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $9,615 NZD|Low: $4,834 NZD|High: $9,869 NZD|Avg: $6,236 NZD|-2.6%
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
Retailer 14
November 7, 2026
Retailer 4$4,834 NZD
Retailer 7$5,042 NZD
Retailer 5$5,282 NZD
Retailer 3$5,289 NZD
Retailer 8$5,607 NZD
Retailer 11$5,684 NZD
Retailer 12$5,989 NZD
Retailer 14$5,989 NZD
Retailer 2$5,996 NZD
Retailer 13$6,187 NZD
Retailer 9$6,729 NZD
Retailer 6$6,765 NZD
Retailer 10$7,055 NZD
MOH London$9,615 NZD

30 data points across 14 retailers

16 retailers$4,834 NZD to $9,615 NZD

B+
Cheapest Retailer
-
$4,834 NZD
Final sale: no returns
B+
Retailer 2
-
$5,042 NZD
View
Retailer 3
-
$5,282 NZD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$5,289 NZD
View
B
Retailer 5
-
$5,496 NZD
View
B+
Retailer 6
-
$5,607 NZD
View
B
Retailer 7
-
$5,684 NZD
View
B+
Retailer 8
-
$5,989 NZD
View
B+
Retailer 9
-
$5,989 NZD
View
B+
Retailer 10
-
$5,996 NZD
View
B
Retailer 11
-
$6,187 NZD
View
Retailer 12
-
$6,281 NZD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$6,729 NZD
View
Retailer 14
-
$6,765 NZD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$7,055 NZD
View
Most Expensive
B
MOH London
534729B15 · Nov 7
$9,615 NZD
£4,197 GBP
View
15 more retailers have this diamond
Prices start from $4,834 NZDSave up to $4,781 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.

B+
1.20ct Cushion
$4,834 NZD