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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5553643910

Certificate GIA 5553643910

Diamond specifications and retailer prices

From €21,695 EUR
$24,238 USD
As of October 30, 2026
Save €15,891 EUR (42%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €37,586 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553643910. Listed at 18 retailers as of October 29, 2026, with prices from €21,695 to €37,586, a €15,891 spread on the same certified stone. MOH London lists it at €37,586. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5553643910
Dimensions8.59 × 8.66 × 5.38 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
8.59 mm8.66 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553643910
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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 30
Current: €37,586 EUR|Low: €21,051 EUR|High: €37,586 EUR|Avg: €25,640 EUR|+5.0%
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
October 31, 2026
Retailer 16€21,695 EUR
Retailer 15€21,794 EUR
Retailer 5€22,891 EUR
Retailer 14€22,940 EUR
Retailer 13€23,295 EUR
Retailer 7€23,307 EUR
Retailer 9€23,864 EUR
Retailer 2€24,156 EUR
Retailer 3€25,206 EUR
Retailer 11€25,206 EUR
Retailer 6€25,263 EUR
Retailer 17€25,589 EUR
Retailer 4€25,793 EUR
Retailer 12€26,047 EUR
Retailer 8€28,066 EUR
Retailer 10€32,925 EUR
MOH London€37,586 EUR

30 data points across 17 retailers

18 retailers€21,695 EUR to €37,586 EUR

A
Cheapest Retailer
-
€21,695 EUR
$24,238 USD
A
Retailer 2
-
€21,794 EUR
$24,348 USD
View
Retailer 3
-
€22,891 EUR
A$39,345 AUD
View
Price last confirmed 31 days ago
A
Retailer 4
-
€22,940 EUR
$25,629 USD
View
Final sale: no returns
A
Retailer 5
-
€23,295 EUR
$26,025 USD
View
Retailer 6
-
€23,841 EUR
$26,635 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
€24,156 EUR
£21,250 GBP
View
Retailer 8
-
€24,449 EUR
$27,315 USD
View
Price last confirmed 63 days ago
B+
Retailer 9
-
€25,206 EUR
$28,160 USD
View
B+
Retailer 10
-
€25,206 EUR
$28,160 USD
View
B+
Retailer 11
-
€25,589 EUR
$28,588 USD
View
B+
Retailer 12
-
€25,793 EUR
$28,816 USD
View
B+
Retailer 13
-
€26,047 EUR
$29,100 USD
View
Retailer 14
-
€27,368 EUR
$30,576 USD
View
Price last confirmed 32 days ago
Retailer 15
-
€28,421 EUR
$31,752 USD
View
Price last confirmed 31 days ago
Retailer 16
-
€29,146 EUR
$32,562 USD
View
Price last confirmed 61 days ago
B+
Retailer 17
-
€32,925 EUR
ZAR 594,247 ZAR
View
Most Expensive
B
MOH London
708420CE6 · Oct 29
€37,586 EUR
£33,064 GBP
View
17 more retailers have this diamond
Prices start from €21,695 EURSave up to €15,891 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
2.50ct Round
€21,695 EUR