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Marquise|Natural|GIA

3.03ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From €41,606 EUR
$46,666 USD
As of November 2, 2026
Save €14,248 EUR (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €55,855 EUR at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 3.03ct natural marquise diamond

This 3.03ct natural marquise sits in the three to five 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. Listed at 5 retailers as of November 2, 2026, with prices from €41,606 to €55,855, a €14,248 spread on the same certified stone. The Diamond Guys lists it at €55,855. 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

3.03
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions14.83 × 7.36 × 4.83 mm
L/W Ratio2.01
Top View
14.83 mm7.36 mm3.03 ctD / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceFaint
CertificateGIA
Side View
Table 54.0%CrownGirdle: ThickPavilionCulet: Very SmallDepth 65.7%

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 2
Current: €41,606 EUR|Low: €40,564 EUR|High: €55,855 EUR|Avg: €49,392 EUR|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
The Diamond Guys
September 23, 2026
Retailer 1€41,606 EUR
Retailer 4€44,653 EUR
Retailer 2€50,076 EUR
Retailer 3€51,905 EUR
The Diamond Guys€55,855 EUR

5 data points across 5 retailers

5 retailers€41,606 EUR to €55,855 EUR

B+
Cheapest Retailer
-
€41,606 EUR
$46,666 USD
B+
Retailer 2
-
€44,653 EUR
CA$69,559 CAD
View
B
Retailer 3
-
€50,076 EUR
$56,166 USD
View
Retailer 4
-
€51,905 EUR
$58,217 USD
View
Price last confirmed 57 days ago
Most Expensive
B
The Diamond Guys
1959373983 · Nov 2
€55,855 EUR
$62,647 USD
View
4 more retailers have this diamond
Prices start from €41,606 EURSave up to €14,248 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.

B+
3.03ct Marquise
€41,606 EUR