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Round|Natural|GIA

1.23ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 3495150691

Certificate GIA 3495150691

Diamond specifications and retailer prices

From $2,925 CAD
$2,094 USD
As of October 26, 2026
Save $4,048 CAD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,973 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3495150691. Listed at 16 retailers as of October 26, 2026, with prices from $2,925 to $6,973, a $4,048 spread on the same certified stone. NZ Jewellers lists it at $6,973. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3495150691
Dimensions6.87 × 6.85 × 4.24 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.87 mm6.85 mm1.23 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3495150691
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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 26
Current: $6,973 CAD|Low: $2,822 CAD|High: $6,973 CAD|Avg: $3,825 CAD
NZ Jewellers
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
October 30, 2026
Retailer 14$2,925 CAD
Retailer 15$3,012 CAD
Retailer 12$3,059 CAD
Retailer 13$3,077 CAD
Retailer 7$3,107 CAD
Retailer 16$3,203 CAD
Retailer 4$3,336 CAD
Retailer 6$3,336 CAD
Retailer 3$3,489 CAD
Retailer 8$3,531 CAD
Retailer 9$3,542 CAD
Retailer 11$3,823 CAD
Retailer 5$3,848 CAD
Retailer 2$4,164 CAD
Retailer 10$5,874 CAD
NZ Jewellers$6,973 CAD

39 data points across 16 retailers

16 retailers$2,925 CAD to $6,973 CAD

A
Cheapest Retailer
-
$2,925 CAD
$2,094 USD
A
Retailer 2
-
$3,012 CAD
$2,156 USD
View
A
Retailer 3
-
$3,059 CAD
$2,190 USD
View
Retailer 4
-
$3,073 CAD
$2,200 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
$3,077 CAD
$2,203 USD
View
Final sale: no returns
Retailer 6
-
$3,203 CAD
£1,806 GBP
View
Price last confirmed 30 days ago
A
Retailer 7
-
$3,336 CAD
$2,388 USD
View
A
Retailer 8
-
$3,336 CAD
$2,388 USD
View
A
Retailer 9
-
$3,489 CAD
$2,498 USD
View
A
Retailer 10
-
$3,531 CAD
$2,527 USD
View
A
Retailer 11
-
$3,542 CAD
£1,997 GBP
View
A
Retailer 12
-
$3,823 CAD
£2,155 GBP
View
A
Retailer 13
-
$3,848 CAD
$2,755 USD
View
B+
Retailer 14
-
$4,164 CAD
€2,839 EUR
View
B+
Retailer 15
-
$5,874 CAD
£3,311 GBP
View
Most Expensive
B
NZ Jewellers
236d964f-82f4-49e9-ab05-5e8201d80b69 · Oct 30
$6,973 CAD
$4,992 USD
View
15 more retailers have this diamond
Prices start from $2,925 CADSave up to $4,048 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
$2,925 CAD