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Cushion|Natural|GIA

0.90ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2427371288

Certificate GIA 2427371288

Diamond specifications and retailer prices

From $3,135 NZD
$1,764 USD
As of November 2, 2026
Save $4,500 NZD (59%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,635 NZD at Moon Ocean · As of November 2, 2026
View at Moon Ocean

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-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 2427371288. Listed at 22 retailers as of November 2, 2026, with prices from $3,135 to $7,635, a $4,500 spread on the same certified stone. Moon Ocean lists it at $7,635. 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

0.90
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2427371288
Dimensions6.38 × 4.91 × 3.25 mm
L/W Ratio1.30
Top View
6.38 mm4.91 mm0.90 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2427371288
Side View
Table 64.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 66.2%

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 2
Current: $7,635 NZD|Low: $3,135 NZD|High: $7,680 NZD|Avg: $4,340 NZD|-0.6%
Moon Ocean
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 12$3,135 NZD
Retailer 9$3,204 NZD
Retailer 4$3,247 NZD
Retailer 11$3,258 NZD
Retailer 16$3,288 NZD
Retailer 7$3,382 NZD
Retailer 19$3,652 NZD
Retailer 15$3,933 NZD
Retailer 20$3,949 NZD
Retailer 6$4,146 NZD
Retailer 3$4,177 NZD
Retailer 21$4,177 NZD
Retailer 13$4,318 NZD
Retailer 5$4,319 NZD
Retailer 14$4,536 NZD
Retailer 8$4,793 NZD
Retailer 2$5,072 NZD
Retailer 10$5,701 NZD
Retailer 18$5,852 NZD
Retailer 17$6,952 NZD
Moon Ocean$7,635 NZD

42 data points across 21 retailers

22 retailers$3,135 NZD to $7,635 NZD

B+
Cheapest Retailer
-
$3,135 NZD
$1,764 USD
Final sale: no returns
B+
Retailer 2
-
$3,204 NZD
$1,803 USD
View
B+
Retailer 3
-
$3,247 NZD
$1,827 USD
View
B+
Retailer 4
-
$3,258 NZD
$1,833 USD
View
B+
Retailer 5
-
$3,288 NZD
$1,850 USD
View
B+
Retailer 6
-
$3,382 NZD
$1,903 USD
View
B+
Retailer 7
-
$3,652 NZD
$2,055 USD
View
B
Retailer 8
-
$3,933 NZD
$2,213 USD
View
B
Retailer 9
-
$3,949 NZD
$2,222 USD
View
B
Retailer 10
-
$4,146 NZD
$2,333 USD
View
B
Retailer 11
-
$4,177 NZD
$2,350 USD
View
B
Retailer 12
-
$4,177 NZD
$2,350 USD
View
B
Retailer 13
-
$4,318 NZD
£1,913 GBP
View
B
Retailer 14
-
$4,319 NZD
$2,430 USD
View
B
Retailer 15
-
$4,536 NZD
$2,552 USD
View
B
Retailer 16
-
$4,572 NZD
CA$3,573 CAD
View
B
Retailer 17
-
$4,793 NZD
$2,697 USD
View
B
Retailer 18
-
$5,072 NZD
€2,718 EUR
View
B
Retailer 19
-
$5,701 NZD
$3,208 USD
View
B
Retailer 20
-
$5,852 NZD
ZAR 53,197 ZAR
View
B
Retailer 21
-
$6,952 NZD
£3,080 GBP
View
Most Expensive
B
Moon Ocean
NVN-995D74AD5-288 · Nov 2
$7,635 NZD
£3,383 GBP
View
21 more retailers have this diamond
Prices start from $3,135 NZDSave up to $4,500 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+
0.90ct Cushion
$3,135 NZD