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Round|Natural|GIA

1.23ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2557335290

Certificate GIA 2557335290

Diamond specifications and retailer prices

From $5,793 CAD
As of November 4, 2026
Save $4,543 CAD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,336 CAD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557335290. Listed at 14 retailers as of November 4, 2026, with prices from $5,793 to $10,336, a $4,543 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,336. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2557335290
Dimensions6.83 × 6.86 × 4.24 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.83 mm6.86 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557335290
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,947 CAD|Low: $6,271 CAD|High: $9,012 CAD|Avg: $7,419 CAD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6$6,271 CAD
Retailer 7$6,834 CAD
Retailer 5$7,030 CAD
Retailer 4$7,201 CAD
Retailer 3$7,556 CAD
Retailer 2$8,035 CAD
Retailer 1$8,947 CAD

42 data points across 7 retailers

14 retailers$5,793 CAD to $10,336 CAD

B+
Cheapest Retailer
-
$5,793 CAD
B+
Retailer 2
-
$6,271 CAD
View
B+
Retailer 3
-
$6,834 CAD
View
B
Retailer 4
-
$7,005 CAD
View
B
Retailer 5
-
$7,030 CAD
View
B+
Retailer 6
-
$7,201 CAD
View
B
Retailer 7
-
$7,458 CAD
View
B
Retailer 8
-
$7,458 CAD
View
B
Retailer 9
-
$7,533 CAD
View
B
Retailer 10
-
$7,556 CAD
View
B
Retailer 11
-
$7,709 CAD
View
B
Retailer 12
-
$8,035 CAD
View
B
Retailer 13
-
$8,947 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
246422210 · Nov 4
$10,336 CAD
$7,401 USD
View
13 more retailers have this diamond
Prices start from $5,793 CADSave up to $4,543 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.

B+
1.23ct Round
$5,793 CAD