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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 $1,764 USD
As of November 2, 2026
Save $2,532 USD (59%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,296 USD 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 $1,764 to $4,296, a $2,532 spread on the same certified stone. Moon Ocean lists it at $4,296. 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
Color
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: $4,296 USD|Low: $1,764 USD|High: $4,321 USD|Avg: $2,442 USD|-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$1,764 USD
Retailer 9$1,803 USD
Retailer 4$1,827 USD
Retailer 11$1,833 USD
Retailer 16$1,850 USD
Retailer 7$1,903 USD
Retailer 19$2,055 USD
Retailer 15$2,213 USD
Retailer 20$2,222 USD
Retailer 6$2,333 USD
Retailer 3$2,350 USD
Retailer 21$2,350 USD
Retailer 13$2,430 USD
Retailer 5$2,430 USD
Retailer 14$2,552 USD
Retailer 8$2,697 USD
Retailer 2$2,854 USD
Retailer 10$3,208 USD
Retailer 18$3,293 USD
Retailer 17$3,912 USD
Moon Ocean$4,296 USD

42 data points across 21 retailers

22 retailers$1,764 USD to $4,296 USD

B+
Cheapest Retailer
-
$1,764 USD
Final sale: no returns
B+
Retailer 2
-
$1,803 USD
View
B+
Retailer 3
-
$1,827 USD
View
B+
Retailer 4
-
$1,833 USD
View
B+
Retailer 5
-
$1,850 USD
View
B+
Retailer 6
-
$1,903 USD
View
B+
Retailer 7
-
$2,055 USD
View
B
Retailer 8
-
$2,213 USD
View
B
Retailer 9
-
$2,222 USD
View
B
Retailer 10
-
$2,333 USD
View
B
Retailer 11
-
$2,350 USD
View
B
Retailer 12
-
$2,350 USD
View
B
Retailer 13
-
$2,430 USD
£1,913 GBP
View
B
Retailer 14
-
$2,430 USD
View
B
Retailer 15
-
$2,552 USD
View
B
Retailer 16
-
$2,572 USD
CA$3,573 CAD
View
B
Retailer 17
-
$2,697 USD
View
B
Retailer 18
-
$2,854 USD
€2,718 EUR
View
B
Retailer 19
-
$3,208 USD
View
B
Retailer 20
-
$3,293 USD
ZAR 53,197 ZAR
View
B
Retailer 21
-
$3,912 USD
£3,080 GBP
View
Most Expensive
B
Moon Ocean
NVN-995D74AD5-288 · Nov 2
$4,296 USD
£3,383 GBP
View
21 more retailers have this diamond
Prices start from $1,764 USDSave up to $2,532 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+
0.90ct Cushion
$1,764 USD