Round|Natural|GIA

1.23ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6555589674

Certificate GIA 6555589674

Diamond specifications and retailer prices

From $7,022 CAD
As of November 4, 2026
Save $5,525 CAD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,547 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555589674. Listed at 13 retailers as of November 4, 2026, with prices from $7,022 to $12,547, a $5,525 spread on the same certified stone. Wholesale Diamonds Direct lists it at $12,547. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555589674
Dimensions6.82 × 6.86 × 4.28 mm
L/W Ratio1.01
Girdle conditionMedium
Key to symbols
Crystal, Twinning Wisp
Top View
6.82 mm6.86 mm1.23 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555589674
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.5%

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: $10,843 CAD|Low: $7,022 CAD|High: $12,547 CAD|Avg: $8,923 CAD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$7,022 CAD
Retailer 12$7,521 CAD
Retailer 4$8,058 CAD
Retailer 6$8,385 CAD
Retailer 10$8,413 CAD
Retailer 8$8,522 CAD
Retailer 5$8,854 CAD
Retailer 3$8,980 CAD
Retailer 7$8,980 CAD
Retailer 11$9,104 CAD
Retailer 9$9,287 CAD
Retailer 1$10,843 CAD
Wholesale Diamonds Direct$12,547 CAD

43 data points across 13 retailers

13 retailers$7,022 CAD to $12,547 CAD

B+
Cheapest Retailer
-
$7,022 CAD
B+
Retailer 2
-
$7,521 CAD
View
B+
Retailer 3
-
$8,058 CAD
View
B+
Retailer 4
-
$8,385 CAD
View
B
Retailer 5
-
$8,413 CAD
View
B
Retailer 6
-
$8,522 CAD
View
B
Retailer 7
-
$8,854 CAD
View
B
Retailer 8
-
$8,980 CAD
View
B
Retailer 9
-
$8,980 CAD
View
B
Retailer 10
-
$9,104 CAD
View
B
Retailer 11
-
$9,287 CAD
View
B
Retailer 12
-
$10,843 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
273575981 · Nov 4
$12,547 CAD
$8,984 USD
View
12 more retailers have this diamond
Prices start from $7,022 CADSave up to $5,525 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
$7,022 CAD