CaratHunter
Plans
Marquise|Natural|GIA

2.50ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 2556337990

Certificate GIA 2556337990

Diamond specifications and retailer prices

From $19,892 CAD
As of November 6, 2026
Save $14,193 CAD (42%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $34,085 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556337990. Listed at 17 retailers as of November 2, 2026, with prices from $19,892 to $34,085, a $14,193 spread on the same certified stone. MOH London lists it at $34,085. 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

2.50
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.88°
Pavilion angle39.5°
OriginNatural
Grading LabGIA
CertificateGIA 2556337990
Dimensions13.11 × 6.94 × 4.48 mm
L/W Ratio1.89
Culet sizeNone
Top View
13.11 mm6.94 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556337990
Side View
Table 60.0%Crown 39.88°Girdle: MED-VTKPavilion 39.5°Culet: NoneDepth 64.5%

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 6
Current: $34,085 CAD|Low: $19,892 CAD|High: $34,496 CAD|Avg: $24,972 CAD|-0.9%
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
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 3$19,892 CAD
Retailer 17$20,064 CAD
Retailer 16$21,389 CAD
Retailer 5$21,825 CAD
Retailer 6$22,006 CAD
Retailer 2$22,770 CAD
Retailer 13$23,280 CAD
Retailer 9$23,308 CAD
Retailer 7$23,644 CAD
Retailer 8$24,554 CAD
Retailer 14$25,281 CAD
Retailer 10$25,456 CAD
Retailer 11$26,473 CAD
Retailer 15$27,154 CAD
Retailer 12$30,178 CAD
Retailer 4$30,919 CAD
MOH London$34,085 CAD

35 data points across 17 retailers

17 retailers$19,892 CAD to $34,085 CAD

B+
Cheapest Retailer
-
$19,892 CAD
B+
Retailer 2
-
$20,064 CAD
View
B+
Retailer 3
-
$21,389 CAD
View
Retailer 4
-
$21,825 CAD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$22,006 CAD
View
B+
Retailer 6
-
$22,770 CAD
View
Retailer 7
-
$23,280 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$23,308 CAD
View
B+
Retailer 9
-
$23,644 CAD
View
B+
Retailer 10
-
$24,554 CAD
View
B
Retailer 11
-
$25,281 CAD
View
B+
Retailer 12
-
$25,456 CAD
View
B+
Retailer 13
-
$26,473 CAD
View
B
Retailer 14
-
$27,154 CAD
View
B
Retailer 15
-
$30,178 CAD
View
B
Retailer 16
-
$30,919 CAD
View
Most Expensive
B
MOH London
753FA0915 · Nov 2
$34,085 CAD
£19,217 GBP
View
16 more retailers have this diamond
Prices start from $19,892 CADSave up to $14,193 CAD

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+
2.50ct Marquise
$19,892 CAD