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Oval|Natural|GIA

1.21ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2568507379

Certificate GIA 2568507379

Diamond specifications and retailer prices

From $3,611 CAD
As of November 5, 2026
Save $3,095 CAD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,705 CAD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2568507379. Listed at 15 retailers as of November 5, 2026, with prices from $3,611 to $6,705, a $3,095 spread on the same certified stone. Helzberg Diamonds lists it at $6,705. 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

1.21
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.9°
Pavilion angle38.65°
OriginNatural
Grading LabGIA
CertificateGIA 2568507379
Dimensions8.46 × 6.04 × 3.65 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.46 mm6.04 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2568507379
Side View
Table 58.0%Crown 35.9°Girdle: STK-THKPavilion 38.65°Culet: NDepth 60.4%

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: Nov 5
Current: $6,705 CAD|Low: $3,566 CAD|High: $6,705 CAD|Avg: $4,699 CAD
Helzberg Diamonds
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
November 6, 2026
Retailer 11$3,611 CAD
Retailer 15$3,834 CAD
Retailer 12$3,848 CAD
Retailer 5$3,870 CAD
Retailer 14$3,875 CAD
Retailer 7$3,899 CAD
Retailer 10$4,166 CAD
Retailer 6$4,245 CAD
Retailer 16$4,556 CAD
Retailer 9$4,698 CAD
Retailer 8$4,699 CAD
Retailer 2$4,891 CAD
Retailer 13$4,927 CAD
Retailer 4$5,944 CAD
Retailer 3$6,349 CAD
Helzberg Diamonds$6,705 CAD

25 data points across 16 retailers

15 retailers$3,611 CAD to $6,705 CAD

A
Cheapest Retailer
-
$3,611 CAD
B+
Retailer 2
-
$3,834 CAD
View
B+
Retailer 3
-
$3,848 CAD
View
B+
Retailer 4
-
$3,870 CAD
View
B+
Retailer 5
-
$3,875 CAD
View
B+
Retailer 6
-
$3,899 CAD
View
B+
Retailer 7
-
$4,166 CAD
View
B+
Retailer 8
-
$4,245 CAD
View
B+
Retailer 9
-
$4,556 CAD
View
B+
Retailer 10
-
$4,698 CAD
View
B
Retailer 11
-
$4,699 CAD
View
B+
Retailer 12
-
$4,891 CAD
View
B
Retailer 13
-
$5,944 CAD
View
B
Retailer 14
-
$6,349 CAD
View
Most Expensive
B
Helzberg Diamonds
XZRILMOLGNJNP · Nov 6
$6,705 CAD
$4,767 USD
View
14 more retailers have this diamond
Prices start from $3,611 CADSave up to $3,095 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
1.21ct Oval
$3,611 CAD