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Radiant|Natural|GIA

1.02ct D SI1 Radiant Natural Diamond

D/SI1 • GIA 13660647

Certificate GIA 13660647

Diamond specifications and retailer prices

From $3,899 AUD
$2,739 USD
As of October 30, 2026
Save $1,352 AUD (26%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,251 AUD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 13660647. Listed at 7 retailers as of October 30, 2026, with prices from $3,899 to $5,251, a $1,352 spread on the same certified stone. Yorxs lists it at $5,251. 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

1.02
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishGood
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 13660647
Dimensions5.32 × 5.16 × 4.26 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.32 mm5.16 mm1.02 ctD / SI1
OriginNatural
PolishGood
SymmetryGood
FluorescenceStrong
CertificateGIA 13660647
Side View
Table 72.0%CrownGirdle: ThickPavilionCulet: NoneDepth 82.6%

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 30
Current: $4,058 AUD|Low: $3,130 AUD|High: $6,075 AUD|Avg: $4,528 AUD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
October 31, 2026
Retailer 9$3,130 AUD
Retailer 7$3,899 AUD
Retailer 1$4,058 AUD
Retailer 3$4,116 AUD
Retailer 2$4,315 AUD
Retailer 5$4,430 AUD
Retailer 6$4,709 AUD
Retailer 8$5,189 AUD
Yorxs$5,251 AUD
Retailer 4$6,075 AUD

17 data points across 10 retailers

7 retailers$3,899 AUD to $5,251 AUD

B+
Cheapest Retailer
-
$3,899 AUD
$2,739 USD
B+
Retailer 2
-
$4,058 AUD
SGD 3,852 SGD
View
B
Retailer 3
-
$4,116 AUD
$2,891 USD
View
B
Retailer 4
-
$4,315 AUD
$3,031 USD
View
B
Retailer 5
-
$4,430 AUD
CA$4,322 CAD
View
B
Retailer 6
-
$4,709 AUD
$3,308 USD
View
Most Expensive
B
Yorxs
132921653 · Oct 31
$5,251 AUD
€3,513 EUR
View
6 more retailers have this diamond
Prices start from $3,899 AUDSave up to $1,352 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 Radiant
$3,899 AUD