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Cushion|Natural|GIA

0.90ct I SI2 Cushion Natural Diamond

VG • I/SI2 • GIA 1166717038

Certificate GIA 1166717038

Diamond specifications and retailer prices

From €1,143 EUR
$1,277 USD
As of October 30, 2026
Save €577 EUR (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,720 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1166717038. Listed at 4 retailers as of October 30, 2026, with prices from €1,143 to €1,720, a €577 spread on the same certified stone. 77 Diamonds lists it at €1,720. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.90
Carat
I
Color
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1166717038
Dimensions5.36 × 5.34 × 3.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.36 mm5.34 mm0.90 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1166717038
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 69.3%

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: Oct 30
Current: €1,720 EUR|Low: €1,041 EUR|High: €1,934 EUR|Avg: €1,573 EUR|+2.3%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2€1,083 EUR
77 Diamonds€1,720 EUR
Retailer 3€1,934 EUR

37 data points across 3 retailers

4 retailers€1,143 EUR to €1,720 EUR

Retailer 1
-
€1,083 EUR
$1,210 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
€1,143 EUR
$1,277 USD
View
B+
Retailer 3
-
€1,165 EUR
$1,302 USD
View
Most Expensive
B
77 Diamonds
CUSZDCWE6PAF · Nov 1
€1,720 EUR
£1,513 GBP
View
3 more retailers have this diamond
Prices start from €1,143 EURSave up to €577 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.

B+
0.90ct Cushion
€1,143 EUR