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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 $4,565 CAD
$3,262 USD
As of October 28, 2026
Save $4,393 CAD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,959 CAD at NZ Jewellers · As of October 30, 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 October 28, 2026, with prices from $4,565 to $8,959, a $4,393 spread on the same certified stone. NZ Jewellers lists it at $8,959. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $5,342 CAD|Low: $4,433 CAD|High: $8,866 CAD|Avg: $5,770 CAD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$4,565 CAD
Retailer 6$4,746 CAD
Retailer 7$4,844 CAD
Retailer 1$5,342 CAD
Retailer 4$5,928 CAD
Retailer 3$6,012 CAD
Retailer 8$6,348 CAD
Retailer 2$8,646 CAD

42 data points across 8 retailers

12 retailers$4,565 CAD to $8,959 CAD

A
Cheapest Retailer
-
$4,565 CAD
$3,262 USD
A
Retailer 2
-
$4,746 CAD
$3,391 USD
View
Final sale: no returns
B+
Retailer 3
-
$5,142 CAD
$3,674 USD
View
B+
Retailer 4
-
$5,142 CAD
$3,674 USD
View
B+
Retailer 5
-
$5,341 CAD
$3,816 USD
View
B+
Retailer 6
-
$5,342 CAD
£3,005 GBP
View
B+
Retailer 7
-
$5,928 CAD
£3,335 GBP
View
B+
Retailer 8
-
$5,933 CAD
$4,239 USD
View
B+
Retailer 9
-
$6,012 CAD
€4,091 EUR
View
Retailer 10
-
$6,155 CAD
$4,398 USD
View
Price last confirmed 62 days ago
B
Retailer 11
-
$8,646 CAD
£4,864 GBP
View
Most Expensive
B
NZ Jewellers
fa709ad6-558f-4b7a-98ff-660f780ca4b6 · Oct 30
$8,959 CAD
$6,401 USD
View
11 more retailers have this diamond
Prices start from $4,565 CADSave up to $4,393 CAD

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
$4,565 CAD