Marquise|Natural|GIA

2.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5563210622

Certificate GIA 5563210622

Diamond specifications and retailer prices

From $18,430 USD
As of November 5, 2026
Save $22,807 USD (55%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $41,237 USD at MOH London · As of November 4, 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 H 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 5563210622. Listed at 33 retailers as of November 4, 2026, with prices from $18,430 to $41,237, a $22,807 spread on the same certified stone. MOH London lists it at $41,237. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563210622
Dimensions12.89 × 6.95 × 4.49 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Indented Natural, Needle, Natural
Top View
12.89 mm6.95 mm2.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563210622
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

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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: Nov 5
Current: $41,237 USD|Low: $18,329 USD|High: $41,570 USD|Avg: $26,608 USD|-0.4%
MOH London
Retailer 2
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Retailer 30
November 6, 2026
Retailer 25$18,430 USD
Retailer 22$19,975 USD
Retailer 27$21,451 USD
Retailer 8$23,203 USD
Retailer 4$24,560 USD
Retailer 15$24,756 USD
Retailer 2$24,800 USD
Retailer 14$25,371 USD
Retailer 12$25,405 USD
Retailer 29$25,584 USD
Retailer 6$26,475 USD
Retailer 28$26,650 USD
Retailer 26$26,657 USD
Retailer 10$26,842 USD
Retailer 20$26,929 USD
Retailer 5$27,578 USD
Retailer 17$27,780 USD
Retailer 19$27,780 USD
Retailer 11$27,799 USD
Retailer 23$27,895 USD
Retailer 3$28,300 USD
Retailer 16$28,681 USD
Retailer 30$28,710 USD
Retailer 18$29,332 USD
Retailer 9$29,785 USD
Retailer 13$30,297 USD
Retailer 24$30,860 USD
Retailer 7$31,191 USD
Retailer 21$31,505 USD
MOH London$41,237 USD

24 data points across 30 retailers

33 retailers$18,430 USD to $41,237 USD

Retailer 1
-
$17,088 USD
Price last confirmed 32 days ago
A
Retailer 2
-
$18,430 USD
View
Retailer 3
-
$19,975 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$21,451 USD
View
B+
Retailer 5
-
$22,615 USD
View
B+
Retailer 6
-
$23,203 USD
View
B+
Retailer 7
-
$24,560 USD
View
B+
Retailer 8
-
$24,756 USD
View
B+
Retailer 9
-
$24,800 USD
View
B+
Retailer 10
-
$25,121 USD
View
B+
Retailer 11
-
$25,371 USD
View
Final sale: no returns
B+
Retailer 12
-
$25,405 USD
View
B+
Retailer 13
-
$25,584 USD
View
Retailer 14
-
$26,475 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$26,650 USD
View
B+
Retailer 16
-
$26,657 USD
View
B+
Retailer 17
-
$26,842 USD
View
B+
Retailer 18
-
$26,929 USD
View
B
Retailer 19
-
$27,578 USD
View
B
Retailer 20
-
$27,780 USD
View
B
Retailer 21
-
$27,780 USD
View
B
Retailer 22
-
$27,799 USD
View
Retailer 23
-
$27,895 USD
View
Price last confirmed 33 days ago
B
Retailer 24
-
$28,300 USD
View
B
Retailer 25
-
$28,681 USD
View
B
Retailer 26
-
$28,710 USD
View
B
Retailer 27
-
$29,332 USD
View
B
Retailer 28
-
$29,785 USD
View
B
Retailer 29
-
$30,297 USD
View
B
Retailer 30
-
$30,860 USD
View
B
Retailer 31
-
$31,191 USD
View
B
Retailer 32
-
$31,505 USD
View
Most Expensive
B
MOH London
A6517945E · Nov 4
$41,237 USD
£32,470 GBP
View
32 more retailers have this diamond
Prices start from $18,430 USDSave up to $22,807 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
2.50ct Marquise
$18,430 USD