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Round|Natural|GIA

1.23ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6555769796

Certificate GIA 6555769796

Diamond specifications and retailer prices

From $4,167 SGD
As of November 4, 2026
Save $4,009 SGD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,176 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555769796. Listed at 12 retailers as of November 4, 2026, with prices from $4,167 to $8,176, a $4,009 spread on the same certified stone. NZ Jewellers lists it at $8,176. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555769796
Dimensions6.82 × 6.76 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.82 mm6.76 mm1.23 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555769796
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°CuletDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,176 SGD|Low: $4,045 SGD|High: $8,329 SGD|Avg: $5,495 SGD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$4,167 SGD
Retailer 3$4,331 SGD
Retailer 7$4,693 SGD
Retailer 9$4,693 SGD
Retailer 2$4,827 SGD
Retailer 8$4,874 SGD
Retailer 5$5,402 SGD
Retailer 10$5,414 SGD
Retailer 4$5,452 SGD
Retailer 6$7,826 SGD
NZ Jewellers$8,176 SGD

41 data points across 11 retailers

12 retailers$4,167 SGD to $8,176 SGD

A
Cheapest Retailer
-
$4,167 SGD
A
Retailer 2
-
$4,331 SGD
View
Final sale: no returns
Retailer 3
-
$4,693 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$4,693 SGD
View
A
Retailer 5
-
$4,827 SGD
View
B+
Retailer 6
-
$4,874 SGD
View
B+
Retailer 7
-
$5,402 SGD
View
B+
Retailer 8
-
$5,414 SGD
View
B+
Retailer 9
-
$5,452 SGD
View
Retailer 10
-
$5,618 SGD
View
Price last confirmed 70 days ago
B
Retailer 11
-
$7,826 SGD
View
Most Expensive
B
NZ Jewellers
fa709ad6-558f-4b7a-98ff-660f780ca4b6 · Nov 5
$8,176 SGD
$6,401 USD
View
11 more retailers have this diamond
Prices start from $4,167 SGDSave up to $4,009 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
$4,167 SGD