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Oval|Natural|GIA

1.23ct E SI1 Oval Natural Diamond

ID • E/SI1 • GIA 3545250166

Certificate GIA 3545250166

Diamond specifications and retailer prices

From $5,221 SGD
As of November 6, 2026
7 retailers carry this diamond
Most expensive: $9,260 SGD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.23ct natural oval diamond

This 1.23ct natural oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545250166. Listed at 7 retailers as of November 6, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.23
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.5°
OriginNatural
Grading LabGIA
CertificateGIA 3545250166
Dimensions8.44 × 6.02 × 3.73 mm
L/W Ratio1.40
Top View
8.44 mm6.02 mm1.23 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545250166
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 39.5°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $5,831 SGD|Low: $4,023 SGD|High: $8,983 SGD|Avg: $5,406 SGD|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 1, 2026
Retailer 8$4,023 SGD
Retailer 3$4,202 SGD
Retailer 4$4,227 SGD
Retailer 9$4,232 SGD
Retailer 18$4,401 SGD
Retailer 5$4,614 SGD
Retailer 13$4,792 SGD
Retailer 6$4,883 SGD
Retailer 7$5,221 SGD
Retailer 14$5,242 SGD
Retailer 12$5,402 SGD
Retailer 2$5,460 SGD
Retailer 11$5,524 SGD
Retailer 15$5,631 SGD
Retailer 10$5,703 SGD
Retailer 1$5,831 SGD
Retailer 16$6,393 SGD
Retailer 19$8,052 SGD
Retailer 17$8,983 SGD

7 data points across 19 retailers

7 retailers

Retailer 1
-
$4,232 SGD
Price last confirmed 60 days ago
Retailer 2
-
$4,883 SGD
View
Price last confirmed 41 days ago
B+
Retailer 3
-
$5,221 SGD
View
Retailer 4
-
$5,460 SGD
View
Price last confirmed 44 days ago
Retailer 5
-
$5,631 SGD
View
Price last confirmed 41 days ago
Retailer 6
-
$6,393 SGD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
29ac6baa-f586-4d1a-91c6-1459b6fe8779 · Sep 25
$9,260 SGD
$7,225 USD
View
Price last confirmed 42 days ago
6 more retailers have this diamond
Prices start from $5,221 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.

B+
1.23ct Oval
$5,221 SGD