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Marquise|Natural|GIA

2.31ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 5161549825

Certificate GIA 5161549825

Diamond specifications and retailer prices

From €17,174 EUR
$19,187 USD
As of October 31, 2026
Save €3,321 EUR (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €20,495 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 2.31ct natural marquise diamond

This 2.31ct natural marquise sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5161549825. Listed at 2 retailers as of October 31, 2026, with prices from €17,174 to €20,495, a €3,321 spread on the same certified stone. 77 Diamonds lists it at €20,495. 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

2.31
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5161549825
Dimensions12.34 × 7.55 × 4.06 mm
L/W Ratio1.63
Top View
12.34 mm7.55 mm2.31 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 5161549825
Side View
Table 54.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 53.8%

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: Oct 31
Current: €20,495 EUR|Low: €17,174 EUR|High: €23,788 EUR|Avg: €20,551 EUR|+0.6%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2€17,174 EUR
77 Diamonds€20,495 EUR
Retailer 3€23,788 EUR

35 data points across 3 retailers

2 retailers€17,174 EUR to €20,495 EUR

A
Cheapest Retailer
-
€17,174 EUR
$19,187 USD
Most Expensive
B+
77 Diamonds
MQZXUYFTDNB · Nov 1
€20,495 EUR
£18,029 GBP
View
1 more retailer has this diamond
Prices start from €17,174 EURSave up to €3,321 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
2.31ct Marquise
€17,174 EUR