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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 $3,293 USD
As of November 4, 2026
Save $1,660 USD (34%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,953 USD 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 11 retailers as of October 31, 2026, with prices from $3,293 to $4,953, a $1,660 spread on the same certified stone. Yorxs lists it at $4,953. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,133 USD|Low: $2,183 USD|High: $5,713 USD|Avg: $4,082 USD|-7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Yorxs
November 5, 2026
Retailer 4$2,183 USD
Retailer 3$3,051 USD
Retailer 7$3,256 USD
Retailer 14$3,293 USD
Retailer 11$3,408 USD
Retailer 12$3,486 USD
Retailer 5$3,564 USD
Retailer 18$3,582 USD
Retailer 8$3,643 USD
Retailer 6$3,864 USD
Retailer 1$4,133 USD
Retailer 13$4,224 USD
Retailer 15$4,380 USD
Retailer 16$4,380 USD
Retailer 17$4,530 USD
Retailer 10$4,716 USD
Retailer 2$4,891 USD
Yorxs$4,953 USD
Retailer 9$5,713 USD

17 data points across 19 retailers

11 retailers$3,293 USD to $4,953 USD

A
Cheapest Retailer
-
$3,293 USD
A
Retailer 2
-
$3,408 USD
View
Final sale: no returns
A
Retailer 3
-
$3,486 USD
View
A
Retailer 4
-
$3,582 USD
View
B+
Retailer 5
-
$3,643 USD
View
B+
Retailer 6
-
$4,133 USD
View
B+
Retailer 7
-
$4,224 USD
View
B+
Retailer 8
-
$4,380 USD
View
B+
Retailer 9
-
$4,380 USD
View
B
Retailer 10
-
$4,530 USD
View
Most Expensive
B+
Yorxs
597991641 · Oct 31
$4,953 USD
€4,717 EUR
View
10 more retailers have this diamond
Prices start from $3,293 USDSave up to $1,660 USD

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
$3,293 USD