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Round|Natural|GIA

1.59ct G FL Round Natural Diamond

EX • G/FL • GIA 1523934426

Certificate GIA 1523934426

Diamond specifications and retailer prices

From $16,663 AUD
As of November 4, 2026
Save $12,719 AUD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $29,383 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.59ct natural round diamond

This 1.59ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1523934426. Listed at 7 retailers as of November 4, 2026, with prices from $16,663 to $29,383, a $12,719 spread on the same certified stone. MOH London lists it at $29,383. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1523934426
Dimensions7.44 × 7.49 × 4.62 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.44 mm7.49 mm1.59 ctG / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523934426
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $29,383 AUD|Low: $16,379 AUD|High: $29,818 AUD|Avg: $22,494 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 4$16,663 AUD
Retailer 3$19,956 AUD
Retailer 7$20,209 AUD
Retailer 6$22,337 AUD
Retailer 2$22,936 AUD
Retailer 5$26,726 AUD
MOH London$29,383 AUD

24 data points across 7 retailers

7 retailers$16,663 AUD to $29,383 AUD

A
Cheapest Retailer
-
$16,663 AUD
A
Retailer 2
-
$19,956 AUD
View
Final sale: no returns
A
Retailer 3
-
$20,209 AUD
View
B+
Retailer 4
-
$22,337 AUD
View
A
Retailer 5
-
$22,936 AUD
View
B+
Retailer 6
-
$26,726 AUD
View
Most Expensive
B+
MOH London
6C3053D7A · Nov 4
$29,383 AUD
£16,196 GBP
View
6 more retailers have this diamond
Prices start from $16,663 AUDSave up to $12,719 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
1.59ct Round
$16,663 AUD