Cushion|Natural|GIA

1.20ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 6411297026

Certificate GIA 6411297026

Diamond specifications and retailer prices

From $1,717 USD
As of November 6, 2026
Save $877 USD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,594 USD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6411297026. Listed at 6 retailers as of November 5, 2026, with prices from $1,717 to $2,594, a $877 spread on the same certified stone. 77 Diamonds lists it at $2,594. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6411297026
Dimensions5.87 × 5.77 × 3.97 mm
L/W Ratio1.02
Top View
5.87 mm5.77 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6411297026
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $2,594 USD|Low: $1,717 USD|High: $2,794 USD|Avg: $2,154 USD|-5.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5$1,717 USD
Retailer 3$1,722 USD
Retailer 4$1,741 USD
Retailer 2$1,791 USD
Retailer 6$1,889 USD
77 Diamonds$2,594 USD
Retailer 7$2,682 USD
Retailer 8$2,794 USD

36 data points across 8 retailers

6 retailers$1,717 USD to $2,594 USD

B+
Cheapest Retailer
-
$1,717 USD
B+
Retailer 2
-
$1,722 USD
View
B+
Retailer 3
-
$1,741 USD
View
B+
Retailer 4
-
$1,791 USD
View
Retailer 5
-
$1,889 USD
View
Price last confirmed 61 days ago
Most Expensive
B
77 Diamonds
CUSMB74JGRSTF · Nov 5
$2,594 USD
£2,043 GBP
View
5 more retailers have this diamond
Prices start from $1,717 USDSave up to $877 USD

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
$1,717 USD