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Marquise|Natural|GIA

3.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2567106656

Certificate GIA 2567106656

Diamond specifications and retailer prices

From €31,669 EUR
SGD 47,812 SGD
As of November 1, 2026
Save €8,919 EUR (22%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €40,588 EUR at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 3.5ct natural marquise diamond

This 3.5ct natural marquise sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567106656. Listed at 6 retailers as of November 1, 2026, with prices from €31,669 to €40,588, a €8,919 spread on the same certified stone. Frank Darling lists it at €40,588. 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

3.50
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.28°
Pavilion angle40.93°
OriginNatural
Grading LabGIA
CertificateGIA 2567106656
Dimensions14.74 × 7.78 × 4.98 mm
L/W Ratio1.89
Culet sizeNone
Top View
14.74 mm7.78 mm3.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567106656
Side View
Table 58.0%Crown 37.28°Girdle: MED-THKPavilion 40.93°Culet: NDepth 64.1%

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: Nov 1
Current: €40,588 EUR|Low: €26,391 EUR|High: €49,624 EUR|Avg: €36,738 EUR|-2.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3€26,391 EUR
Retailer 6€31,669 EUR
Retailer 2€33,565 EUR
Retailer 9€33,951 EUR
Retailer 11€34,960 EUR
Retailer 10€35,377 EUR
Retailer 4€35,881 EUR
Retailer 5€40,405 EUR
Frank Darling€40,588 EUR
Retailer 7€40,633 EUR
Retailer 8€48,632 EUR

22 data points across 11 retailers

6 retailers€31,669 EUR to €40,588 EUR

A
Cheapest Retailer
-
€31,669 EUR
SGD 47,812 SGD
B+
Retailer 2
-
€33,565 EUR
£29,527 GBP
View
Retailer 3
-
€33,951 EUR
$37,930 USD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
€34,960 EUR
$39,057 USD
View
B+
Retailer 5
-
€35,377 EUR
$39,523 USD
View
Most Expensive
B
Frank Darling
262517-83HK · Nov 2
€40,588 EUR
$45,345 USD
View
5 more retailers have this diamond
Prices start from €31,669 EURSave up to €8,919 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
3.50ct Marquise
€31,669 EUR