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Radiant|Natural|GIA

2.03ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 6501193484

Certificate GIA 6501193484

Diamond specifications and retailer prices

From $13,170 AUD
$9,230 USD
As of October 31, 2026
Save $11,050 AUD (46%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $24,220 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.03ct natural radiant diamond

This 2.03ct natural radiant sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6501193484. Listed at 19 retailers as of October 30, 2026, with prices from $13,170 to $24,220, a $11,050 spread on the same certified stone. NZ Jewellers lists it at $24,220. 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

2.03
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.93°
Pavilion angle31.21°
OriginNatural
Grading LabGIA
CertificateGIA 6501193484
Dimensions7.94 × 6.30 × 4.33 mm
L/W Ratio1.26
Top View
7.94 mm6.30 mm2.03 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6501193484
Side View
Table 68.0%Crown 48.93°Girdle: Slightly ThickPavilion 31.21°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $22,696 AUD|Low: $13,320 AUD|High: $22,969 AUD|Avg: $16,983 AUD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10$13,483 AUD
Retailer 11$14,369 AUD
Retailer 9$14,530 AUD
Retailer 2$14,653 AUD
Retailer 5$15,697 AUD
Retailer 3$15,986 AUD
Retailer 8$16,006 AUD
Retailer 4$16,720 AUD
Retailer 7$18,310 AUD
Retailer 6$20,093 AUD
Retailer 1$22,696 AUD

39 data points across 11 retailers

19 retailers$13,170 AUD to $24,220 AUD

A
Cheapest Retailer
-
$13,170 AUD
$9,230 USD
A
Retailer 2
-
$13,483 AUD
$9,449 USD
View
A
Retailer 3
-
$13,790 AUD
View
A
Retailer 4
-
$14,369 AUD
$10,070 USD
View
A
Retailer 5
-
$14,530 AUD
$10,183 USD
View
Final sale: no returns
A
Retailer 6
-
$14,532 AUD
$10,184 USD
View
A
Retailer 7
-
$14,653 AUD
$10,269 USD
View
A
Retailer 8
-
$15,697 AUD
£8,662 GBP
View
A
Retailer 9
-
$15,743 AUD
$11,033 USD
View
A
Retailer 10
-
$15,986 AUD
$11,203 USD
View
Retailer 11
-
$16,006 AUD
View
Price last confirmed 10 days ago
A
Retailer 12
-
$16,720 AUD
£9,227 GBP
View
B+
Retailer 13
-
$17,320 AUD
$12,138 USD
View
B+
Retailer 14
-
$18,164 AUD
$12,730 USD
View
B+
Retailer 15
-
$18,310 AUD
€12,221 EUR
View
Retailer 16
-
$19,122 AUD
$13,401 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
$20,093 AUD
ZAR 227,492 ZAR
View
B+
Retailer 18
-
$22,696 AUD
£12,524 GBP
View
Most Expensive
B
NZ Jewellers
18208114-ba4f-42ed-a7bb-6f29e7659fee · Oct 30
$24,220 AUD
$16,974 USD
View
18 more retailers have this diamond
Prices start from $13,170 AUDSave up to $11,050 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
2.03ct Radiant
$13,170 AUD