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Radiant|Natural|GIA

1.02ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 2171029323

Certificate GIA 2171029323

Diamond specifications and retailer prices

From $2,400 AUD
As of November 6, 2026
Save $1,270 AUD (35%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,670 AUD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2171029323. Listed at 4 retailers as of November 6, 2026, with prices from $2,400 to $3,670, a $1,270 spread on the same certified stone. 77 Diamonds lists it at $3,670. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2171029323
Dimensions6.53 × 5.28 × 3.32 mm
L/W Ratio1.24
Top View
6.53 mm5.28 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2171029323
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,670 AUD|Low: $2,400 AUD|High: $3,711 AUD|Avg: $3,043 AUD|+0.1%
77 Diamonds
Retailer 2
November 7, 2026
Retailer 2$2,400 AUD
77 Diamonds$3,670 AUD

34 data points across 2 retailers

4 retailers$2,400 AUD to $3,670 AUD

B+
Cheapest Retailer
-
$2,400 AUD
B+
Retailer 2
-
$2,429 AUD
View
B+
Retailer 3
-
$2,534 AUD
View
Most Expensive
B
77 Diamonds
RADMBSTGGDESZ · Nov 7
$3,670 AUD
£1,986 GBP
View
3 more retailers have this diamond
Prices start from $2,400 AUDSave up to $1,270 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
$2,400 AUD