Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 7558598063

Certificate GIA 7558598063

Diamond specifications and retailer prices

From $6,268 CAD
As of November 5, 2026
Save $5,904 CAD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,171 CAD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise 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 7558598063. Listed at 10 retailers as of November 3, 2026, with prices from $6,268 to $12,171, a $5,904 spread on the same certified stone. NZ Jewellers lists it at $12,171. 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
FluorescenceMedium
Crown angle40.62°
Pavilion angle40.11°
OriginNatural
Grading LabGIA
CertificateGIA 7558598063
Dimensions9.78 × 5.47 × 3.69 mm
L/W Ratio1.79
Girdle conditionVery Thick
Key to symbols
Crystal, Knot, Indented Natural
Top View
9.78 mm5.47 mm1.21 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7558598063
Side View
Table 59.0%Crown 40.62°GirdlePavilion 40.11°CuletDepth 67.3%

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 5
Current: $12,171 CAD|Low: $6,268 CAD|High: $12,315 CAD|Avg: $8,106 CAD|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$6,268 CAD
Retailer 4$6,724 CAD
Retailer 5$6,814 CAD
Retailer 7$6,864 CAD
Retailer 8$6,987 CAD
Retailer 9$6,987 CAD
Retailer 10$7,375 CAD
Retailer 2$7,888 CAD
Retailer 6$11,126 CAD
NZ Jewellers$12,171 CAD

30 data points across 10 retailers

10 retailers$6,268 CAD to $12,171 CAD

B+
Cheapest Retailer
-
$6,268 CAD
B+
Retailer 2
-
$6,724 CAD
View
B+
Retailer 3
-
$6,814 CAD
View
B+
Retailer 4
-
$6,864 CAD
View
B+
Retailer 5
-
$6,987 CAD
View
B+
Retailer 6
-
$6,987 CAD
View
Retailer 7
-
$7,375 CAD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$7,888 CAD
View
B
Retailer 9
-
$11,126 CAD
View
Most Expensive
B
NZ Jewellers
e133051b-13b6-4904-b503-a4873a6cd697 · Nov 3
$12,171 CAD
$8,653 USD
View
9 more retailers have this diamond
Prices start from $6,268 CADSave up to $5,904 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+
1.21ct Marquise
$6,268 CAD