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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 €2,934 EUR
As of November 4, 2026
Save €1,479 EUR (34%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,413 EUR 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 €2,934 to €4,413, a €1,479 spread on the same certified stone. Yorxs lists it at €4,413. 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
Colour
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: €3,682 EUR|Low: €1,945 EUR|High: €5,090 EUR|Avg: €3,637 EUR|-7.3%
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
Retailer 18
Yorxs
November 5, 2026
Retailer 4€1,945 EUR
Retailer 3€2,718 EUR
Retailer 7€2,901 EUR
Retailer 14€2,934 EUR
Retailer 11€3,036 EUR
Retailer 12€3,106 EUR
Retailer 5€3,175 EUR
Retailer 18€3,191 EUR
Retailer 8€3,246 EUR
Retailer 6€3,443 EUR
Retailer 1€3,682 EUR
Retailer 13€3,763 EUR
Retailer 15€3,902 EUR
Retailer 16€3,902 EUR
Retailer 17€4,036 EUR
Retailer 10€4,202 EUR
Retailer 2€4,358 EUR
Yorxs€4,413 EUR
Retailer 9€5,090 EUR

17 data points across 19 retailers

11 retailers€2,934 EUR to €4,413 EUR

A
Cheapest Retailer
-
€2,934 EUR
A
Retailer 2
-
€3,036 EUR
View
Final sale: no returns
A
Retailer 3
-
€3,106 EUR
View
A
Retailer 4
-
€3,191 EUR
View
B+
Retailer 5
-
€3,246 EUR
View
B+
Retailer 6
-
€3,682 EUR
View
B+
Retailer 7
-
€3,763 EUR
View
B+
Retailer 8
-
€3,902 EUR
View
B+
Retailer 9
-
€3,902 EUR
View
B
Retailer 10
-
€4,036 EUR
View
Most Expensive
B+
Yorxs
597991641 · Oct 31
€4,413 EUR
View
10 more retailers have this diamond
Prices start from €2,934 EURSave up to €1,479 EUR

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
€2,934 EUR