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Round|Natural|GIA

1.23ct F FL Round Natural Diamond

EX • F/FL • GIA 1528916645

Certificate GIA 1528916645

Diamond specifications and retailer prices

From $8,025 AUD
As of November 5, 2026
Save $9,481 AUD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $17,506 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1528916645. Listed at 17 retailers as of November 5, 2026, with prices from $8,025 to $17,506, a $9,481 spread on the same certified stone. NZ Jewellers lists it at $17,506. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1528916645
Dimensions6.81 × 6.78 × 4.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.81 mm6.78 mm1.23 ctF / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1528916645
Side View
Table 58.0%Crown 35.5°Girdle: STK-STKPavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A+
Exceptional
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 5
Current: $9,707 AUD|Low: $8,025 AUD|High: $14,744 AUD|Avg: $10,519 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$8,025 AUD
Retailer 8$9,130 AUD
Retailer 4$9,318 AUD
Retailer 7$9,678 AUD
Retailer 1$9,707 AUD
Retailer 9$10,158 AUD
Retailer 2$11,022 AUD
Retailer 3$12,771 AUD
Retailer 6$14,548 AUD

24 data points across 9 retailers

17 retailers$8,025 AUD to $17,506 AUD

A+
Cheapest Retailer
-
$8,025 AUD
A
Retailer 2
-
$8,760 AUD
View
A
Retailer 3
-
$9,130 AUD
View
A
Retailer 4
-
$9,318 AUD
View
Retailer 5
-
$9,424 AUD
View
Price last confirmed 75 days ago
Retailer 6
-
$9,662 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$9,678 AUD
View
A
Retailer 8
-
$9,707 AUD
View
Retailer 9
-
$10,158 AUD
View
Price last confirmed 15 days ago
A
Retailer 10
-
$10,467 AUD
View
A
Retailer 11
-
$10,628 AUD
View
A
Retailer 12
-
$11,022 AUD
View
B+
Retailer 13
-
$11,319 AUD
View
B+
Retailer 14
-
$12,078 AUD
View
B+
Retailer 15
-
$12,771 AUD
View
B+
Retailer 16
-
$14,548 AUD
View
Most Expensive
B
NZ Jewellers
d8665501-08d1-441f-aed6-7ce407659b7f · Nov 5
$17,506 AUD
$12,255 USD
View
16 more retailers have this diamond
Prices start from $8,025 AUDSave up to $9,481 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+
1.23ct Round
$8,025 AUD