Oval|Natural|GIA

1.21ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 5536189042

Certificate GIA 5536189042

Diamond specifications and retailer prices

From $5,071 CAD
As of November 5, 2026
Save $5,519 CAD (52%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,590 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536189042. Listed at 13 retailers as of November 4, 2026, with prices from $5,071 to $10,590, a $5,519 spread on the same certified stone. MOH London lists it at $10,590. 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
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.93°
OriginNatural
Grading LabGIA
CertificateGIA 5536189042
Dimensions8.81 × 6.06 × 3.70 mm
L/W Ratio1.45
Top View
8.81 mm6.06 mm1.21 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5536189042
Side View
Table 56.0%Crown 32.93°Girdle: MED-THKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,590 CAD|Low: $5,071 CAD|High: $10,745 CAD|Avg: $7,107 CAD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3$5,071 CAD
Retailer 13$5,314 CAD
Retailer 9$5,711 CAD
Retailer 11$5,968 CAD
Retailer 4$6,040 CAD
Retailer 10$6,330 CAD
Retailer 12$6,330 CAD
Retailer 7$6,524 CAD
Retailer 2$6,541 CAD
Retailer 5$6,719 CAD
Retailer 6$7,500 CAD
Retailer 8$8,133 CAD
MOH London$10,590 CAD

44 data points across 13 retailers

13 retailers$5,071 CAD to $10,590 CAD

A
Cheapest Retailer
-
$5,071 CAD
B+
Retailer 2
-
$5,314 CAD
View
B+
Retailer 3
-
$5,711 CAD
View
B+
Retailer 4
-
$5,968 CAD
View
Retailer 5
-
$6,040 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$6,330 CAD
View
B+
Retailer 7
-
$6,330 CAD
View
B+
Retailer 8
-
$6,524 CAD
View
B+
Retailer 9
-
$6,541 CAD
View
Retailer 10
-
$6,719 CAD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$7,500 CAD
View
B
Retailer 12
-
$8,133 CAD
View
Most Expensive
B
MOH London
13A48B8EE · Nov 4
$10,590 CAD
£5,928 GBP
View
12 more retailers have this diamond
Prices start from $5,071 CADSave up to $5,519 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
$5,071 CAD