Radiant|Natural|GIA

1.59ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2243013104

Certificate GIA 2243013104

Diamond specifications and retailer prices

From $9,310 AUD
As of November 5, 2026
Save $10,400 AUD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,710 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.59ct natural radiant diamond

This 1.59ct natural radiant sits in the one-and-a-half to two 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 2243013104. Listed at 19 retailers as of November 5, 2026, with prices from $9,310 to $19,710, a $10,400 spread on the same certified stone. NZ Jewellers lists it at $19,710. 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

1.59
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2243013104
Dimensions7.30 × 6.09 × 4.21 mm
L/W Ratio1.20
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.30 mm6.09 mm1.59 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2243013104
Side View
Table 67.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.1%

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: Nov 5
Current: $11,329 AUD|Low: $9,853 AUD|High: $16,622 AUD|Avg: $12,199 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 7$9,853 AUD
Retailer 9$9,868 AUD
Retailer 8$10,841 AUD
Retailer 3$11,007 AUD
Retailer 6$11,292 AUD
Retailer 1$11,329 AUD
Retailer 4$12,803 AUD
Retailer 5$14,376 AUD
Retailer 2$16,335 AUD

46 data points across 9 retailers

19 retailers$9,310 AUD to $19,710 AUD

B+
Cheapest Retailer
-
$9,310 AUD
B+
Retailer 2
-
$9,853 AUD
View
Final sale: no returns
Retailer 3
-
$9,855 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$9,868 AUD
View
B+
Retailer 5
-
$9,937 AUD
View
B+
Retailer 6
-
$10,493 AUD
View
B+
Retailer 7
-
$10,677 AUD
View
B+
Retailer 8
-
$10,841 AUD
View
B+
Retailer 9
-
$11,007 AUD
View
Retailer 10
-
$11,292 AUD
View
Price last confirmed 16 days ago
B
Retailer 11
-
$11,300 AUD
View
Retailer 12
-
$11,329 AUD
View
B+
Retailer 13
-
$11,917 AUD
View
B
Retailer 14
-
$12,319 AUD
View
B
Retailer 15
-
$12,803 AUD
View
Retailer 16
-
$12,982 AUD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$14,376 AUD
View
B
Retailer 18
-
$16,335 AUD
View
Most Expensive
B
NZ Jewellers
a5515d09-177d-496b-b1b3-bad9bc0f651b · Nov 5
$19,710 AUD
$13,543 USD
View
18 more retailers have this diamond
Prices start from $9,310 AUDSave up to $10,400 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+
1.59ct Radiant
$9,310 AUD