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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 $9,994 NZD
As of November 5, 2026
Save $11,807 NZD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $21,800 NZD 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 $9,994 to $21,800, a $11,807 spread on the same certified stone. NZ Jewellers lists it at $21,800. 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: $12,088 NZD|Low: $9,994 NZD|High: $18,360 NZD|Avg: $13,099 NZD|-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$9,994 NZD
Retailer 8$11,369 NZD
Retailer 4$11,604 NZD
Retailer 7$12,052 NZD
Retailer 1$12,088 NZD
Retailer 9$12,650 NZD
Retailer 2$13,726 NZD
Retailer 3$15,903 NZD
Retailer 6$18,116 NZD

24 data points across 9 retailers

17 retailers$9,994 NZD to $21,800 NZD

A+
Cheapest Retailer
-
$9,994 NZD
A
Retailer 2
-
$10,908 NZD
View
A
Retailer 3
-
$11,369 NZD
View
A
Retailer 4
-
$11,604 NZD
View
Retailer 5
-
$11,735 NZD
View
Price last confirmed 75 days ago
Retailer 6
-
$12,032 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$12,052 NZD
View
A
Retailer 8
-
$12,088 NZD
View
Retailer 9
-
$12,650 NZD
View
Price last confirmed 15 days ago
A
Retailer 10
-
$13,034 NZD
View
A
Retailer 11
-
$13,235 NZD
View
A
Retailer 12
-
$13,726 NZD
View
B+
Retailer 13
-
$14,096 NZD
View
B+
Retailer 14
-
$15,041 NZD
View
B+
Retailer 15
-
$15,903 NZD
View
B+
Retailer 16
-
$18,116 NZD
View
Most Expensive
B
NZ Jewellers
d8665501-08d1-441f-aed6-7ce407659b7f · Nov 5
$21,800 NZD
$12,255 USD
View
16 more retailers have this diamond
Prices start from $9,994 NZDSave up to $11,807 NZD

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
$9,994 NZD