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Cushion|Natural|GIA

1.20ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 6551358270

Certificate GIA 6551358270

Diamond specifications and retailer prices

From $2,317 USD
HK$18,100 HKD
As of November 1, 2026
Save $3,678 USD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,994 USD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551358270. Listed at 13 retailers as of October 28, 2026, with prices from $2,317 to $5,994, a $3,678 spread on the same certified stone. Queensmith lists it at $5,994. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551358270
Dimensions7.32 × 5.46 × 3.67 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural
Top View
7.32 mm5.46 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551358270
Side View
Table 65.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 67.1%

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 1
Current: $5,994 USD|Low: $2,304 USD|High: $6,115 USD|Avg: $3,522 USD|+0.9%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 7$2,317 USD
Retailer 5$2,441 USD
Retailer 3$2,813 USD
Retailer 9$2,844 USD
Retailer 2$3,220 USD
Retailer 8$3,225 USD
Retailer 11$3,229 USD
Retailer 10$3,330 USD
Retailer 6$3,606 USD
Retailer 4$5,154 USD
Queensmith$5,994 USD

30 data points across 11 retailers

13 retailers$2,317 USD to $5,994 USD

A
Cheapest Retailer
-
$2,317 USD
HK$18,100 HKD
A
Retailer 2
-
$2,441 USD
₹232,486 INR
View
A
Retailer 3
-
$2,813 USD
SGD 3,802 SGD
View
B+
Retailer 4
-
$2,844 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,977 USD
View
B+
Retailer 6
-
$3,220 USD
£2,535 GBP
View
B+
Retailer 7
-
$3,225 USD
View
Retailer 8
-
$3,229 USD
SGD 4,364 SGD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$3,262 USD
A$5,018 AUD
View
B+
Retailer 10
-
$3,330 USD
View
B+
Retailer 11
-
$3,606 USD
€3,434 EUR
View
B
Retailer 12
-
$5,154 USD
£4,058 GBP
View
Most Expensive
B
Queensmith
6551358270 · Oct 28
$5,994 USD
£4,720 GBP
View
12 more retailers have this diamond
Prices start from $2,317 USDSave up to $3,678 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.

A
1.20ct Cushion
$2,317 USD