Marquise|Natural|GIA

2.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7551511611

Certificate GIA 7551511611

Diamond specifications and retailer prices

From $32,354 USD
As of November 2, 2026
Save $26,086 USD (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $58,440 USD at MOH London · As of November 2, 2026
View at MOH London

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 7551511611. Listed at 9 retailers as of November 2, 2026, with prices from $32,354 to $58,440, a $26,086 spread on the same certified stone. MOH London lists it at $58,440. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551511611
Dimensions13.30 × 7.09 × 4.42 mm
L/W Ratio1.88
Girdle conditionThick to Very Thick
Key to symbols
Crystal, Feather, Cavity, Indented Natural
Top View
13.30 mm7.09 mm2.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551511611
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.3%

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 2
Current: $58,440 USD|Low: $32,354 USD|High: $62,332 USD|Avg: $40,311 USD|-5.4%
MOH London
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
November 1, 2026
Retailer 2$32,354 USD
Retailer 8$32,410 USD
Retailer 5$34,926 USD
Retailer 12$36,197 USD
Retailer 14$36,879 USD
Retailer 9$37,389 USD
Retailer 7$38,979 USD
Retailer 11$38,979 USD
Retailer 6$39,894 USD
Retailer 10$40,538 USD
Retailer 3$41,307 USD
Retailer 4$41,951 USD
Retailer 13$45,773 USD
MOH London$58,440 USD

21 data points across 14 retailers

9 retailers$32,354 USD to $58,440 USD

A
Cheapest Retailer
-
$32,354 USD
A
Retailer 2
-
$32,410 USD
HK$253,200 HKD
View
B+
Retailer 3
-
$35,139 USD
A$54,060 AUD
View
B+
Retailer 4
-
$36,197 USD
View
Final sale: no returns
B+
Retailer 5
-
$37,389 USD
View
Retailer 6
-
$38,979 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$38,979 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$40,538 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
05229E67A · Nov 2
$58,440 USD
£46,016 GBP
View
8 more retailers have this diamond
Prices start from $32,354 USDSave up to $26,086 USD

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
$32,354 USD