Cushion|Natural|GIA

0.90ct G SI2 Cushion Natural Diamond

ID • G/SI2 • GIA 6521621544

Certificate GIA 6521621544

Diamond specifications and retailer prices

From $1,100 USD
As of October 31, 2026
Save $2,177 USD (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,277 USD at Queensmith · As of October 28, 2026
View at Queensmith

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded G 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 6521621544. Listed at 10 retailers as of October 28, 2026, with prices from $1,100 to $3,277, a $2,177 spread on the same certified stone. Queensmith lists it at $3,277. 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
G
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6521621544
Dimensions6.67 × 4.88 × 3.34 mm
L/W Ratio1.37
Top View
6.67 mm4.88 mm0.90 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521621544
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.5%

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 31
Current: $3,277 USD|Low: $1,044 USD|High: $3,283 USD|Avg: $1,659 USD|+2.6%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$1,100 USD
Retailer 9$1,110 USD
Retailer 10$1,234 USD
Retailer 8$1,250 USD
Retailer 6$1,282 USD
Retailer 11$1,327 USD
Retailer 4$1,503 USD
Retailer 3$1,702 USD
Retailer 2$1,836 USD
Retailer 5$2,413 USD
Queensmith$3,277 USD

43 data points across 11 retailers

10 retailers$1,100 USD to $3,277 USD

A
Cheapest Retailer
-
$1,100 USD
Final sale: no returns
A
Retailer 2
-
$1,110 USD
View
A
Retailer 3
-
$1,250 USD
View
A
Retailer 4
-
$1,282 USD
View
A
Retailer 5
-
$1,327 USD
View
A
Retailer 6
-
$1,503 USD
£1,184 GBP
View
B+
Retailer 7
-
$1,702 USD
A$2,618 AUD
View
B+
Retailer 8
-
$1,836 USD
€1,749 EUR
View
B+
Retailer 9
-
$2,413 USD
£1,900 GBP
View
Most Expensive
B
Queensmith
6521621544 · Oct 28
$3,277 USD
£2,580 GBP
View
9 more retailers have this diamond
Prices start from $1,100 USDSave up to $2,177 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
$1,100 USD