CaratHunter
Plans
Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6237990521

Certificate GIA 6237990521

Diamond specifications and retailer prices

From $3,325 NZD
As of November 6, 2026
Save $4,691 NZD (59%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,016 NZD at MOH London · As of November 2, 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 H 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 6237990521. Listed at 10 retailers as of November 2, 2026, with prices from $3,325 to $8,016, a $4,691 spread on the same certified stone. MOH London lists it at $8,016. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.15°
OriginNatural
Grading LabGIA
CertificateGIA 6237990521
Dimensions7.29 × 5.50 × 3.83 mm
L/W Ratio1.33
Key to symbols
Crystal, Cloud, Needle
Top View
7.29 mm5.50 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237990521
Side View
Table 64.0%CrownGirdle: MED-THKPavilion 37.15°Culet: NoneDepth 69.6%

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 6
Current: $8,016 NZD|Low: $3,325 NZD|High: $8,511 NZD|Avg: $5,348 NZD|-5.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$3,325 NZD
Retailer 5$3,979 NZD
Retailer 8$4,223 NZD
Retailer 2$4,380 NZD
Retailer 4$4,620 NZD
Retailer 7$4,937 NZD
Retailer 3$5,632 NZD
Retailer 9$6,950 NZD
MOH London$8,016 NZD

32 data points across 9 retailers

10 retailers$3,325 NZD to $8,016 NZD

A
Cheapest Retailer
-
$3,325 NZD
Retailer 2
-
$3,979 NZD
View
Price last confirmed 3 days ago
B+
Retailer 3
-
$4,223 NZD
View
B+
Retailer 4
-
$4,380 NZD
View
B+
Retailer 5
-
$4,620 NZD
View
B+
Retailer 6
-
$4,937 NZD
View
B+
Retailer 7
-
$5,051 NZD
View
B+
Retailer 8
-
$5,632 NZD
View
B
Retailer 9
-
$6,950 NZD
View
Most Expensive
B
MOH London
7E12B0BD9 · Nov 2
$8,016 NZD
£3,499 GBP
View
9 more retailers have this diamond
Prices start from $3,325 NZDSave up to $4,691 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
1.20ct Cushion
$3,325 NZD