Cushion|Natural|GIA

0.90ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2417315756

Certificate GIA 2417315756

Diamond specifications and retailer prices

From $586 USD
As of October 30, 2026
Save $1,234 USD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,820 USD at Moon Ocean · As of October 30, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2417315756. Listed at 12 retailers as of October 30, 2026, with prices from $586 to $1,820, a $1,234 spread on the same certified stone. Moon Ocean lists it at $1,820. 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
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2417315756
Dimensions5.28 × 5.16 × 3.92 mm
L/W Ratio1.02
Top View
5.28 mm5.16 mm0.90 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 2417315756
Side View
Table 61.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 76.0%

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: Oct 30
Current: $1,820 USD|Low: $522 USD|High: $1,907 USD|Avg: $966 USD|-3.4%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8$586 USD
Retailer 3$600 USD
Retailer 7$684 USD
Retailer 9$743 USD
Retailer 6$800 USD
Retailer 11$800 USD
Retailer 10$830 USD
Retailer 4$866 USD
Retailer 2$998 USD
Retailer 5$1,622 USD
Moon Ocean$1,820 USD

40 data points across 11 retailers

12 retailers$586 USD to $1,820 USD

A
Cheapest Retailer
-
$586 USD
Final sale: no returns
B+
Retailer 2
-
$600 USD
View
Retailer 3
-
$665 USD
View
Price last confirmed 32 days ago
B+
Retailer 4
-
$684 USD
View
B+
Retailer 5
-
$743 USD
View
B+
Retailer 6
-
$800 USD
View
B+
Retailer 7
-
$800 USD
View
B+
Retailer 8
-
$830 USD
View
B+
Retailer 9
-
$866 USD
£682 GBP
View
B+
Retailer 10
-
$998 USD
€950 EUR
View
B
Retailer 11
-
$1,622 USD
£1,277 GBP
View
Most Expensive
B
Moon Ocean
NVN-6D6FC2FA8-756 · Oct 30
$1,820 USD
£1,433 GBP
View
11 more retailers have this diamond
Prices start from $586 USDSave up to $1,234 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
0.90ct Cushion
$586 USD