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Cushion|Natural|GIA

1.61ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2225991845

Certificate GIA 2225991845

Diamond specifications and retailer prices

From $6,328 AUD
$4,435 USD
As of November 2, 2026
Save $2,669 AUD (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,997 AUD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.61ct natural cushion diamond

This 1.61ct natural cushion sits in the one-and-a-half to two 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 2225991845. Listed at 4 retailers as of November 2, 2026, with prices from $6,328 to $8,997, a $2,669 spread on the same certified stone. 77 Diamonds lists it at $8,997. 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

1.61
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2225991845
Dimensions7.17 × 6.05 × 4.21 mm
L/W Ratio1.19
Top View
7.17 mm6.05 mm1.61 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 2225991845
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.7%

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: Nov 2
Current: $8,997 AUD|Low: $6,246 AUD|High: $9,029 AUD|Avg: $7,274 AUD|+2.1%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 2$6,328 AUD
Retailer 3$6,542 AUD
77 Diamonds$8,997 AUD

31 data points across 3 retailers

4 retailers$6,328 AUD to $8,997 AUD

B+
Cheapest Retailer
-
$6,328 AUD
$4,435 USD
B+
Retailer 2
-
$6,542 AUD
$4,585 USD
View
B
Retailer 3
-
$6,897 AUD
View
Most Expensive
B
77 Diamonds
CUSZZ57B4F8G · Nov 2
$8,997 AUD
£4,965 GBP
View
3 more retailers have this diamond
Prices start from $6,328 AUDSave up to $2,669 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+
1.61ct Cushion
$6,328 AUD