CaratHunter
Plans
Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

ID • H/SI1 • GIA 5556836886

Certificate GIA 5556836886

Diamond specifications and retailer prices

From $4,529 NZD
HK$19,900 HKD
As of November 2, 2026
Save $6,615 NZD (59%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,144 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 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 5556836886. Listed at 19 retailers as of October 28, 2026, with prices from $4,529 to $11,144, a $6,615 spread on the same certified stone. Queensmith lists it at $11,144. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556836886
Dimensions7.40 × 5.38 × 3.64 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle
Top View
7.40 mm5.38 mm1.20 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556836886
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.6%

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 2
Current: $11,144 NZD|Low: $4,529 NZD|High: $11,189 NZD|Avg: $6,854 NZD|+2.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 12$4,529 NZD
Retailer 7$4,748 NZD
Retailer 8$5,384 NZD
Retailer 6$5,444 NZD
Retailer 3$5,556 NZD
Retailer 13$5,871 NZD
Retailer 5$6,075 NZD
Retailer 14$6,276 NZD
Retailer 9$6,290 NZD
Retailer 11$6,419 NZD
Retailer 2$7,018 NZD
Retailer 4$7,467 NZD
Retailer 10$10,066 NZD
Queensmith$11,144 NZD

23 data points across 14 retailers

19 retailers$4,529 NZD to $11,144 NZD

A
Cheapest Retailer
-
$4,529 NZD
HK$19,900 HKD
B+
Retailer 2
-
$4,748 NZD
₹254,327 INR
View
B+
Retailer 3
-
$5,384 NZD
SGD 4,092 SGD
View
B
Retailer 4
-
$5,444 NZD
$3,062 USD
View
B+
Retailer 5
-
$5,556 NZD
$3,125 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,674 NZD
$3,191 USD
View
B+
Retailer 7
-
$5,681 NZD
$3,195 USD
View
B+
Retailer 8
-
$5,871 NZD
£2,600 GBP
View
B+
Retailer 9
-
$6,019 NZD
A$5,208 AUD
View
B+
Retailer 10
-
$6,075 NZD
$3,417 USD
View
B
Retailer 11
-
$6,276 NZD
$3,530 USD
View
B+
Retailer 12
-
$6,290 NZD
£2,786 GBP
View
Retailer 13
-
$6,371 NZD
SGD 4,842 SGD
View
Price last confirmed 7 days ago
B
Retailer 14
-
$6,419 NZD
$3,610 USD
View
Retailer 15
-
$6,575 NZD
A$5,689 AUD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$7,018 NZD
€3,759 EUR
View
B
Retailer 17
-
$7,467 NZD
ZAR 67,848 ZAR
View
B
Retailer 18
-
$10,066 NZD
£4,458 GBP
View
Most Expensive
B
Queensmith
5556836886 · Oct 28
$11,144 NZD
£4,935 GBP
View
18 more retailers have this diamond
Prices start from $4,529 NZDSave up to $6,615 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
$4,529 NZD