Marquise|Natural|GIA

2.51ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 6542154329

Certificate GIA 6542154329

Diamond specifications and retailer prices

From €26,625 EUR
$29,746 USD
As of October 31, 2026
Save €6,691 EUR (20%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €33,316 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three 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 6542154329. Listed at 7 retailers as of October 31, 2026, with prices from €26,625 to €33,316, a €6,691 spread on the same certified stone. 77 Diamonds lists it at €33,316. 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

2.51
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.02°
Pavilion angle36.99°
OriginNatural
Grading LabGIA
CertificateGIA 6542154329
Dimensions12.56 × 7.06 × 4.52 mm
L/W Ratio1.78
Top View
12.56 mm7.06 mm2.51 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542154329
Side View
Table 56.0%Crown 42.02°Girdle: VTK-ETKPavilion 36.99°Culet: NoneDepth 64.0%

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: Oct 31
Current: €33,316 EUR|Low: €26,625 EUR|High: €33,937 EUR|Avg: €29,803 EUR|+0.5%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 3€26,625 EUR
Retailer 2€28,608 EUR
77 Diamonds€33,316 EUR

45 data points across 3 retailers

7 retailers€26,625 EUR to €33,316 EUR

A
Cheapest Retailer
-
€26,625 EUR
$29,746 USD
A
Retailer 2
-
€28,602 EUR
$31,954 USD
View
A
Retailer 3
-
€28,608 EUR
₹3,043,890 INR
View
A
Retailer 4
-
€28,651 EUR
$32,009 USD
View
A
Retailer 5
-
€28,872 EUR
$32,256 USD
View
B+
Retailer 6
-
€29,308 EUR
A$50,374 AUD
View
Most Expensive
B+
77 Diamonds
MQMBETZBVMRQ · Nov 1
€33,316 EUR
£29,308 GBP
View
6 more retailers have this diamond
Prices start from €26,625 EURSave up to €6,691 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
2.51ct Marquise
€26,625 EUR