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Marquise|Natural|GIA

1.02ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6551493839

Certificate GIA 6551493839

Diamond specifications and retailer prices

From $5,004 CAD
$3,582 USD
As of October 30, 2026
Save $1,915 CAD (28%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,919 CAD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.02ct natural marquise diamond

This 1.02ct 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 6551493839. Listed at 10 retailers as of October 30, 2026, with prices from $5,004 to $6,919, a $1,915 spread on the same certified stone. Yorxs lists it at $6,919. 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

1.02
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.69°
Pavilion angle39.13°
OriginNatural
Grading LabGIA
CertificateGIA 6551493839
Dimensions9.85 × 5.19 × 3.25 mm
L/W Ratio1.90
Culet sizeNone
Top View
9.85 mm5.19 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551493839
Side View
Table 59.0%Crown 39.69°Girdle: STK-THKPavilion 39.13°Culet: NoneDepth 62.5%

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: Oct 30
Current: $5,965 CAD|Low: $3,049 CAD|High: $7,981 CAD|Avg: $5,724 CAD
Retailer 1
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
Retailer 17
Yorxs
October 31, 2026
Retailer 3$3,049 CAD
Retailer 2$4,262 CAD
Retailer 6$4,548 CAD
Retailer 4$4,979 CAD
Retailer 11$5,004 CAD
Retailer 7$5,089 CAD
Retailer 10$5,156 CAD
Retailer 15$5,176 CAD
Retailer 5$5,399 CAD
Retailer 1$5,965 CAD
Retailer 14$6,227 CAD
Retailer 9$6,589 CAD
Retailer 12$6,607 CAD
Retailer 13$6,607 CAD
Retailer 16$6,831 CAD
Retailer 17$6,832 CAD
Yorxs$6,919 CAD
Retailer 8$7,981 CAD

14 data points across 18 retailers

10 retailers$5,004 CAD to $6,919 CAD

A
Cheapest Retailer
-
$5,004 CAD
$3,582 USD
A
Retailer 2
-
$5,089 CAD
$3,643 USD
View
B+
Retailer 3
-
$5,176 CAD
$3,706 USD
View
B+
Retailer 4
-
$5,261 CAD
A$5,795 AUD
View
Retailer 5
-
$5,965 CAD
$4,270 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$6,227 CAD
$4,458 USD
View
B+
Retailer 7
-
$6,607 CAD
$4,730 USD
View
B+
Retailer 8
-
$6,607 CAD
$4,730 USD
View
B+
Retailer 9
-
$6,831 CAD
$4,890 USD
View
Most Expensive
B+
Yorxs
597991641 · Oct 31
$6,919 CAD
€4,717 EUR
View
9 more retailers have this diamond
Prices start from $5,004 CADSave up to $1,915 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
1.02ct Marquise
$5,004 CAD