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Cushion|Natural|GIA

1.02ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1377937186

Certificate GIA 1377937186

Diamond specifications and retailer prices

From $3,884 AUD
$2,728 USD
As of October 31, 2026
Save $1,702 AUD (30%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,586 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 1377937186. Listed at 16 retailers as of October 31, 2026, with prices from $3,884 to $5,586, a $1,702 spread on the same certified stone. Yorxs lists it at $5,586. 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
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1377937186
Dimensions5.94 × 5.75 × 3.64 mm
L/W Ratio1.03
Culet sizeNone
Top View
5.94 mm5.75 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1377937186
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.3%

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 31
Current: $4,994 AUD|Low: $3,834 AUD|High: $6,462 AUD|Avg: $4,721 AUD|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
October 31, 2026
Retailer 6$3,834 AUD
Retailer 5$3,884 AUD
Retailer 3$3,972 AUD
Retailer 2$4,317 AUD
Retailer 7$4,379 AUD
Retailer 4$4,672 AUD
Retailer 1$4,994 AUD
Retailer 9$5,096 AUD
Yorxs$5,586 AUD
Retailer 8$6,462 AUD

40 data points across 10 retailers

16 retailers$3,884 AUD to $5,586 AUD

B+
Cheapest Retailer
-
$3,884 AUD
$2,728 USD
B+
Retailer 2
-
$3,972 AUD
$2,790 USD
View
B+
Retailer 3
-
$4,052 AUD
$2,846 USD
View
B+
Retailer 4
-
$4,150 AUD
$2,915 USD
View
B+
Retailer 5
-
$4,317 AUD
SGD 4,098 SGD
View
B+
Retailer 6
-
$4,351 AUD
$3,057 USD
View
B
Retailer 7
-
$4,379 AUD
$3,076 USD
View
B+
Retailer 8
-
$4,672 AUD
$3,282 USD
View
B+
Retailer 9
-
$4,713 AUD
CA$4,598 CAD
View
B
Retailer 10
-
$4,926 AUD
$3,460 USD
View
B
Retailer 11
-
$4,926 AUD
$3,460 USD
View
B
Retailer 12
-
$4,994 AUD
£2,762 GBP
View
B
Retailer 13
-
$5,010 AUD
$3,519 USD
View
B
Retailer 14
-
$5,096 AUD
$3,580 USD
View
B
Retailer 15
-
$5,552 AUD
$3,900 USD
View
Most Expensive
B
Yorxs
518485380 · Oct 31
$5,586 AUD
€3,737 EUR
View
15 more retailers have this diamond
Prices start from $3,884 AUDSave up to $1,702 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
$3,884 AUD