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Cushion|Natural|GIA

0.90ct H I1 Cushion Natural Diamond

VG • H/I1 • GIA 1509678659

Certificate GIA 1509678659

Diamond specifications and retailer prices

From $1,858 AUD
$1,302 USD
As of November 2, 2026
Save $640 AUD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,498 AUD at Yorxs · As of October 31, 2026
View at Yorxs

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 I1 clarity (included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1509678659. Listed at 3 retailers as of October 31, 2026, with prices from $1,858 to $2,498, a $640 spread on the same certified stone. Yorxs lists it at $2,498. 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
H
Colour
I1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1509678659
Dimensions6.84 × 5.29 × 3.49 mm
L/W Ratio1.29
Key to symbols
Twinning Wisp, Feather
Top View
6.84 mm5.29 mm0.90 ctH / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1509678659
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,858 AUD|Low: $1,329 AUD|High: $2,498 AUD|Avg: $1,893 AUD|+1.5%
Retailer 1
Retailer 2
Yorxs
October 31, 2026
Retailer 2$1,329 AUD
Retailer 1$1,858 AUD
Yorxs$2,498 AUD

33 data points across 3 retailers

3 retailers$1,858 AUD to $2,498 AUD

Retailer 1
-
$1,329 AUD
₹88,706 INR
Price last confirmed 15 days ago
B
Retailer 2
-
$1,858 AUD
$1,302 USD
View
Most Expensive
C
Yorxs
8F9BB7BE9 · Oct 31
$2,498 AUD
€1,667 EUR
View
2 more retailers have this diamond
Prices start from $1,858 AUDSave up to $640 AUD

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
$1,858 AUD