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Round|Natural|GIA

1.42ct F IF Round Natural Diamond

EX • F/IF • GIA 6431706299

Certificate GIA 6431706299

Diamond specifications and retailer prices

From $15,762 AUD
As of November 4, 2026
Save $21,015 AUD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $36,777 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.42ct natural round diamond

This 1.42ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6431706299. Listed at 12 retailers as of November 4, 2026, with prices from $15,762 to $36,777, a $21,015 spread on the same certified stone. Diamond Quarter lists it at $36,777. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6431706299
Dimensions7.24 × 7.28 × 4.39 mm
L/W Ratio1.01
Top View
7.24 mm7.28 mm1.42 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6431706299
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

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: Nov 4
Current: $16,258 AUD|Low: $15,421 AUD|High: $24,089 AUD|Avg: $18,151 AUD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$15,762 AUD
Retailer 2$16,225 AUD
Retailer 1$16,258 AUD
Retailer 5$16,823 AUD
Retailer 7$16,823 AUD
Retailer 8$18,331 AUD
Retailer 3$19,053 AUD
Retailer 4$23,737 AUD

22 data points across 8 retailers

12 retailers$15,762 AUD to $36,777 AUD

A
Cheapest Retailer
-
$15,762 AUD
A
Retailer 2
-
$16,225 AUD
View
A
Retailer 3
-
$16,258 AUD
View
B+
Retailer 4
-
$16,823 AUD
View
Final sale: no returns
Retailer 5
-
$18,225 AUD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
$18,331 AUD
View
Retailer 7
-
$18,506 AUD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$19,053 AUD
View
Retailer 9
-
$21,029 AUD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
$23,737 AUD
View
Retailer 11
-
$25,402 AUD
View
Price last confirmed 39 days ago
Most Expensive
B
Diamond Quarter
1.42IFF64998E50N · Nov 5
$36,777 AUD
£20,272 GBP
View
11 more retailers have this diamond
Prices start from $15,762 AUDSave up to $21,015 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
1.42ct Round
$15,762 AUD