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Radiant|Natural|GIA

1.02ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 1427730972

Certificate GIA 1427730972

Diamond specifications and retailer prices

From $1,404 AUD
As of November 6, 2026
Save $614 AUD (30%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,019 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1427730972. Listed at 3 retailers as of November 6, 2026, with prices from $1,404 to $2,019, a $614 spread on the same certified stone. 77 Diamonds lists it at $2,019. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1427730972
Dimensions6.78 × 5.04 × 3.30 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
6.78 mm5.04 mm1.02 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1427730972
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,019 AUD|Low: $1,404 AUD|High: $2,039 AUD|Avg: $1,667 AUD|-0.8%
77 Diamonds
Retailer 2
Retailer 3
November 7, 2026
Retailer 3$1,404 AUD
Retailer 2$1,565 AUD
77 Diamonds$2,019 AUD

28 data points across 3 retailers

3 retailers$1,404 AUD to $2,019 AUD

A
Cheapest Retailer
-
$1,404 AUD
A
Retailer 2
-
$1,565 AUD
View
Most Expensive
B+
77 Diamonds
RADMBYVPRPARF · Nov 7
$2,019 AUD
£1,092 GBP
View
2 more retailers have this diamond
Prices start from $1,404 AUDSave up to $614 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.

A
1.02ct Radiant
$1,404 AUD