Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6375087784

Certificate GIA 6375087784

Diamond specifications and retailer prices

From €21,961 EUR
$24,535 USD
As of October 30, 2026
Save €16,475 EUR (43%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €38,436 EUR at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 6375087784. Listed at 14 retailers as of October 29, 2026, with prices from €21,961 to €38,436, a €16,475 spread on the same certified stone. Diamond Quarter lists it at €38,436. 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
SymmetryExcellent
FluorescenceStrong
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6375087784
Dimensions8.71 × 8.75 × 5.36 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
8.71 mm8.75 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6375087784
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.4%

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: €26,301 EUR|Low: €21,961 EUR|High: €38,126 EUR|Avg: €27,259 EUR|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8€21,961 EUR
Retailer 9€22,654 EUR
Retailer 7€23,469 EUR
Retailer 6€24,279 EUR
Retailer 2€24,341 EUR
Retailer 1€26,301 EUR
Retailer 3€29,238 EUR
Retailer 5€33,177 EUR
Retailer 4€37,874 EUR

40 data points across 9 retailers

14 retailers€21,961 EUR to €38,436 EUR

A
Cheapest Retailer
-
€21,961 EUR
$24,535 USD
A
Retailer 2
-
€22,654 EUR
$25,309 USD
View
A
Retailer 3
-
€23,469 EUR
$26,220 USD
View
Retailer 4
-
€24,279 EUR
A$41,730 AUD
View
Price last confirmed 29 days ago
A
Retailer 5
-
€24,341 EUR
£21,413 GBP
View
Retailer 6
-
€25,126 EUR
$28,071 USD
View
Price last confirmed 33 days ago
Retailer 7
-
€25,327 EUR
$28,296 USD
View
Price last confirmed 32 days ago
Retailer 8
-
€26,131 EUR
$29,194 USD
View
Price last confirmed 30 days ago
B+
Retailer 9
-
€26,301 EUR
£23,137 GBP
View
Retailer 10
-
€27,136 EUR
$30,317 USD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
€29,238 EUR
View
B+
Retailer 12
-
€33,177 EUR
ZAR 598,796 ZAR
View
B
Retailer 13
-
€37,874 EUR
£33,317 GBP
View
Most Expensive
B
Diamond Quarter
2.5SI1D638413FDN · Oct 29
€38,436 EUR
£33,812 GBP
View
13 more retailers have this diamond
Prices start from €21,961 EURSave up to €16,475 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
€21,961 EUR