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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6521583766

Certificate GIA 6521583766

Diamond specifications and retailer prices

From €30,260 EUR
$33,807 USD
As of October 30, 2026
Save €21,927 EUR (42%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €52,188 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 6521583766. Listed at 20 retailers as of October 29, 2026, with prices from €30,260 to €52,188, a €21,927 spread on the same certified stone. MOH London lists it at €52,188. 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
FluorescenceNone
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521583766
Dimensions8.74 × 8.68 × 5.35 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
8.74 mm8.68 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521583766
Side View
Table 60.0%Crown 31.5°Girdle: ThickPavilion 41.8°Culet: NoneDepth 61.4%

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: Oct 30
Current: €52,188 EUR|Low: €28,535 EUR|High: €52,534 EUR|Avg: €36,817 EUR|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6€28,535 EUR
Retailer 7€30,468 EUR
Retailer 8€32,903 EUR
Retailer 10€33,211 EUR
Retailer 4€33,230 EUR
Retailer 9€33,237 EUR
Retailer 3€36,241 EUR
Retailer 2€39,050 EUR
Retailer 5€45,716 EUR
MOH London€52,188 EUR

36 data points across 10 retailers

20 retailers€30,260 EUR to €52,188 EUR

Retailer 1
-
€28,535 EUR
$31,880 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
€30,260 EUR
$33,807 USD
View
B+
Retailer 3
-
€30,468 EUR
$34,039 USD
View
Final sale: no returns
B
Retailer 4
-
€32,255 EUR
$36,035 USD
View
Retailer 5
-
€32,903 EUR
A$56,553 AUD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
€33,211 EUR
$37,103 USD
View
B+
Retailer 7
-
€33,230 EUR
£29,232 GBP
View
Retailer 8
-
€34,622 EUR
$38,680 USD
View
Price last confirmed 41 days ago
B+
Retailer 9
-
€34,649 EUR
$38,710 USD
View
B+
Retailer 10
-
€34,649 EUR
$38,710 USD
View
B
Retailer 11
-
€35,543 EUR
$39,709 USD
View
B
Retailer 12
-
€35,772 EUR
$39,965 USD
View
B
Retailer 13
-
€35,804 EUR
$40,000 USD
View
Retailer 14
-
€36,008 EUR
$40,228 USD
View
Price last confirmed 39 days ago
B+
Retailer 15
-
€36,241 EUR
£31,881 GBP
View
Retailer 16
-
€37,392 EUR
$41,775 USD
View
Price last confirmed 39 days ago
B
Retailer 17
-
€39,050 EUR
View
B
Retailer 18
-
€39,236 EUR
$43,835 USD
View
B
Retailer 19
-
€45,716 EUR
ZAR 825,109 ZAR
View
Most Expensive
B
MOH London
36294D9D8 · Oct 29
€52,188 EUR
£45,909 GBP
View
19 more retailers have this diamond
Prices start from €30,260 EURSave up to €21,927 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.

B+
2.50ct Round
€30,260 EUR