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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 $7,176 SGD
As of November 5, 2026
Save $8,477 SGD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $15,653 SGD 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 $7,176 to $15,653, a $8,477 spread on the same certified stone. NZ Jewellers lists it at $15,653. 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: $8,679 SGD|Low: $7,176 SGD|High: $13,183 SGD|Avg: $9,405 SGD|-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$7,176 SGD
Retailer 8$8,163 SGD
Retailer 4$8,332 SGD
Retailer 7$8,654 SGD
Retailer 1$8,679 SGD
Retailer 9$9,083 SGD
Retailer 2$9,856 SGD
Retailer 3$11,419 SGD
Retailer 6$13,008 SGD

24 data points across 9 retailers

17 retailers$7,176 SGD to $15,653 SGD

A+
Cheapest Retailer
-
$7,176 SGD
A
Retailer 2
-
$7,832 SGD
View
A
Retailer 3
-
$8,163 SGD
View
A
Retailer 4
-
$8,332 SGD
View
Retailer 5
-
$8,426 SGD
View
Price last confirmed 75 days ago
Retailer 6
-
$8,640 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$8,654 SGD
View
A
Retailer 8
-
$8,679 SGD
View
Retailer 9
-
$9,083 SGD
View
Price last confirmed 15 days ago
A
Retailer 10
-
$9,359 SGD
View
A
Retailer 11
-
$9,503 SGD
View
A
Retailer 12
-
$9,856 SGD
View
B+
Retailer 13
-
$10,121 SGD
View
B+
Retailer 14
-
$10,800 SGD
View
B+
Retailer 15
-
$11,419 SGD
View
B+
Retailer 16
-
$13,008 SGD
View
Most Expensive
B
NZ Jewellers
d8665501-08d1-441f-aed6-7ce407659b7f · Nov 5
$15,653 SGD
$12,255 USD
View
16 more retailers have this diamond
Prices start from $7,176 SGDSave up to $8,477 SGD

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
$7,176 SGD