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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 $4,111 NZD
HK$18,100 HKD
As of November 1, 2026
Save $6,525 NZD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,636 NZD 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 $4,111 to $10,636, a $6,525 spread on the same certified stone. Queensmith lists it at $10,636. 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
Colour
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: $10,636 NZD|Low: $4,088 NZD|High: $10,850 NZD|Avg: $6,246 NZD|+0.9%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$4,111 NZD
Retailer 2$4,331 NZD
Retailer 3$4,992 NZD
Retailer 9$5,046 NZD
Retailer 5$5,713 NZD
Retailer 7$5,721 NZD
Retailer 11$5,730 NZD
Retailer 10$5,908 NZD
Retailer 4$6,398 NZD
Retailer 8$9,155 NZD
Queensmith$10,636 NZD

30 data points across 11 retailers

13 retailers$4,111 NZD to $10,636 NZD

A
Cheapest Retailer
-
$4,111 NZD
HK$18,100 HKD
A
Retailer 2
-
$4,331 NZD
₹232,486 INR
View
A
Retailer 3
-
$4,992 NZD
SGD 3,802 SGD
View
B+
Retailer 4
-
$5,046 NZD
$2,844 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,282 NZD
$2,977 USD
View
B+
Retailer 6
-
$5,713 NZD
£2,535 GBP
View
B+
Retailer 7
-
$5,721 NZD
$3,225 USD
View
B+
Retailer 8
-
$5,730 NZD
SGD 4,364 SGD
View
B+
Retailer 9
-
$5,787 NZD
A$5,018 AUD
View
B+
Retailer 10
-
$5,908 NZD
$3,330 USD
View
B+
Retailer 11
-
$6,398 NZD
€3,434 EUR
View
B
Retailer 12
-
$9,155 NZD
£4,063 GBP
View
Most Expensive
B
Queensmith
6551358270 · Oct 28
$10,636 NZD
£4,720 GBP
View
12 more retailers have this diamond
Prices start from $4,111 NZDSave up to $6,525 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
$4,111 NZD