CaratHunter
Plans
Cushion|Natural|GIA

1.20ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2231900018

Certificate GIA 2231900018

Diamond specifications and retailer prices

From $5,892 NZD
As of November 6, 2026
Save $6,603 NZD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,495 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 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 2231900018. Listed at 21 retailers as of November 6, 2026, with prices from $5,892 to $12,495, a $6,603 spread on the same certified stone. MOH London lists it at $12,495. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Pavilion angle37.38°
OriginNatural
Grading LabGIA
CertificateGIA 2231900018
Dimensions7.09 × 5.47 × 3.78 mm
L/W Ratio1.30
Key to symbols
Crystal, Feather, Needle
Top View
7.09 mm5.47 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231900018
Side View
Table 67.0%CrownGirdle: THK-ETKPavilion 37.38°Culet: NoneDepth 69.2%

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: $12,495 NZD|Low: $5,704 NZD|High: $12,712 NZD|Avg: $8,316 NZD|-1.6%
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
Retailer 15
November 7, 2026
Retailer 7$5,892 NZD
Retailer 5$6,595 NZD
Retailer 12$7,145 NZD
Retailer 13$7,715 NZD
Retailer 15$7,746 NZD
Retailer 9$8,009 NZD
Retailer 3$8,226 NZD
Retailer 14$8,226 NZD
Retailer 8$8,401 NZD
Retailer 6$8,412 NZD
Retailer 4$8,496 NZD
Retailer 10$8,875 NZD
Retailer 11$9,622 NZD
Retailer 2$9,945 NZD
MOH London$12,495 NZD

46 data points across 15 retailers

21 retailers$5,892 NZD to $12,495 NZD

B+
Cheapest Retailer
-
$5,892 NZD
B+
Retailer 2
-
$6,065 NZD
View
B+
Retailer 3
-
$6,287 NZD
View
B+
Retailer 4
-
$6,481 NZD
View
B+
Retailer 5
-
$6,541 NZD
View
B+
Retailer 6
-
$6,595 NZD
View
Final sale: no returns
B+
Retailer 7
-
$6,819 NZD
View
Retailer 8
-
$7,145 NZD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$7,715 NZD
View
B
Retailer 10
-
$7,746 NZD
View
B
Retailer 11
-
$8,009 NZD
View
B
Retailer 12
-
$8,226 NZD
View
B
Retailer 13
-
$8,226 NZD
View
Retailer 14
-
$8,401 NZD
View
Retailer 15
-
$8,412 NZD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$8,496 NZD
View
B
Retailer 17
-
$8,875 NZD
View
Retailer 18
-
$8,920 NZD
View
Price last confirmed 15 days ago
B
Retailer 19
-
$9,622 NZD
View
Retailer 20
-
$9,945 NZD
View
Most Expensive
B
MOH London
F854FC011 · Nov 7
$12,495 NZD
£5,454 GBP
View
20 more retailers have this diamond
Prices start from $5,892 NZDSave up to $6,603 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
$5,892 NZD