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Cushion|Natural|GIA

0.90ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6541438892

Certificate GIA 6541438892

Diamond specifications and retailer prices

From €755 EUR
₹80,338 INR
As of November 1, 2026
Save €1,076 EUR (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,831 EUR 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 J 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 6541438892. Listed at 11 retailers as of November 1, 2026, with prices from €755 to €1,831, a €1,076 spread on the same certified stone. Moon Ocean lists it at €1,831. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541438892
Dimensions6.72 × 4.56 × 3.09 mm
L/W Ratio1.47
Top View
6.72 mm4.56 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541438892
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.9%

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: €1,831 EUR|Low: €755 EUR|High: €2,018 EUR|Avg: €1,385 EUR|-8.9%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3€755 EUR
Retailer 8€951 EUR
Retailer 9€1,071 EUR
Retailer 7€1,072 EUR
Retailer 2€1,123 EUR
Retailer 10€1,213 EUR
Retailer 5€1,336 EUR
Retailer 6€1,394 EUR
Retailer 4€1,744 EUR
Moon Ocean€1,831 EUR

27 data points across 10 retailers

11 retailers€755 EUR to €1,831 EUR

A
Cheapest Retailer
-
€755 EUR
₹80,338 INR
A
Retailer 2
-
€951 EUR
$1,063 USD
View
B+
Retailer 3
-
€1,071 EUR
$1,197 USD
View
B+
Retailer 4
-
€1,072 EUR
$1,197 USD
View
B+
Retailer 5
-
€1,123 EUR
£988 GBP
View
B+
Retailer 6
-
€1,213 EUR
$1,355 USD
View
B+
Retailer 7
-
€1,336 EUR
View
Retailer 8
-
€1,354 EUR
A$2,327 AUD
View
Price last confirmed 29 days ago
B
Retailer 9
-
€1,394 EUR
ZAR 25,160 ZAR
View
B
Retailer 10
-
€1,744 EUR
£1,534 GBP
View
Most Expensive
B
Moon Ocean
NVN-116C2E804-892 · Nov 2
€1,831 EUR
£1,611 GBP
View
10 more retailers have this diamond
Prices start from €755 EURSave up to €1,076 EUR

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
€755 EUR