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Cushion|Natural|GIA

1.02ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2377885959

Certificate GIA 2377885959

Diamond specifications and retailer prices

From $4,275 AUD
$3,003 USD
As of October 31, 2026
Save $1,869 AUD (30%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,144 AUD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2377885959. Listed at 17 retailers as of October 31, 2026, with prices from $4,275 to $6,144, a $1,869 spread on the same certified stone. Yorxs lists it at $6,144. 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2377885959
Dimensions5.69 × 5.66 × 3.72 mm
L/W Ratio1.01
Top View
5.69 mm5.66 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2377885959
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.8%

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 31
Current: $5,436 AUD|Low: $4,241 AUD|High: $6,161 AUD|Avg: $5,002 AUD|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 2, 2026
Retailer 7$4,241 AUD
Retailer 6$4,275 AUD
Retailer 3$4,338 AUD
Retailer 2$4,749 AUD
Retailer 8$4,817 AUD
Retailer 5$5,141 AUD
Retailer 4$5,291 AUD
Retailer 1$5,436 AUD
Retailer 9$5,609 AUD
Yorxs$6,144 AUD

41 data points across 10 retailers

17 retailers$4,275 AUD to $6,144 AUD

B+
Cheapest Retailer
-
$4,275 AUD
$3,003 USD
B+
Retailer 2
-
$4,338 AUD
$3,047 USD
View
B+
Retailer 3
-
$4,383 AUD
$3,079 USD
View
B+
Retailer 4
-
$4,568 AUD
$3,209 USD
View
B+
Retailer 5
-
$4,749 AUD
SGD 4,508 SGD
View
B+
Retailer 6
-
$4,769 AUD
$3,350 USD
View
B+
Retailer 7
-
$4,814 AUD
CA$4,697 CAD
View
B+
Retailer 8
-
$4,817 AUD
$3,384 USD
View
B
Retailer 9
-
$5,141 AUD
$3,611 USD
View
B
Retailer 10
-
$5,291 AUD
View
B
Retailer 11
-
$5,436 AUD
£3,007 GBP
View
B
Retailer 12
-
$5,438 AUD
$3,820 USD
View
B
Retailer 13
-
$5,438 AUD
$3,820 USD
View
B
Retailer 14
-
$5,511 AUD
$3,871 USD
View
B
Retailer 15
-
$5,609 AUD
$3,940 USD
View
B
Retailer 16
-
$5,999 AUD
$4,214 USD
View
Most Expensive
B
Yorxs
518485640 · Oct 31
$6,144 AUD
€4,110 EUR
View
16 more retailers have this diamond
Prices start from $4,275 AUDSave up to $1,869 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+
1.02ct Cushion
$4,275 AUD