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Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 7422774619

Certificate GIA 7422774619

Diamond specifications and retailer prices

From $3,238 NZD
As of November 6, 2026
Save $2,661 NZD (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,899 NZD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7422774619. Listed at 7 retailers as of November 6, 2026, with prices from $3,238 to $5,899, a $2,661 spread on the same certified stone. Frank Darling lists it at $5,899. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7422774619
Dimensions5.71 × 5.67 × 4.20 mm
L/W Ratio1.01
Top View
5.71 mm5.67 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7422774619
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 74.1%

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: $5,899 NZD|Low: $3,238 NZD|High: $5,899 NZD|Avg: $4,233 NZD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$3,238 NZD
Retailer 7$3,247 NZD
Retailer 6$3,267 NZD
Retailer 4$3,390 NZD
Retailer 5$4,147 NZD
Retailer 2$4,905 NZD
Retailer 8$5,745 NZD
Frank Darling$5,899 NZD

27 data points across 8 retailers

7 retailers$3,238 NZD to $5,899 NZD

B+
Cheapest Retailer
-
$3,238 NZD
B+
Retailer 2
-
$3,247 NZD
View
B+
Retailer 3
-
$3,267 NZD
View
B+
Retailer 4
-
$3,390 NZD
View
Retailer 5
-
$4,147 NZD
View
Price last confirmed 62 days ago
B
Retailer 6
-
$4,905 NZD
View
Most Expensive
B
Frank Darling
CU2550MR · Nov 6
$5,899 NZD
$3,270 USD
View
6 more retailers have this diamond
Prices start from $3,238 NZDSave up to $2,661 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
$3,238 NZD