Round|Natural|GIA

3.05ct D SI1 Round Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From €28,711 EUR
$32,076 USD
As of October 29, 2026
Save €10,356 EUR (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €39,067 EUR at The Diamond Guys · As of October 29, 2026
View at The Diamond Guys

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 5 retailers as of October 29, 2026, with prices from €28,711 to €39,067, a €10,356 spread on the same certified stone. The Diamond Guys lists it at €39,067. 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

3.05
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
Dimensions9.21 × 9.26 × 5.75 mm
L/W Ratio1.01
Top View
9.21 mm9.26 mm3.05 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.2%

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 29
Current: €28,711 EUR|Low: €28,711 EUR|High: €40,927 EUR|Avg: €34,484 EUR|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
The Diamond Guys
October 17, 2026
Retailer 1€28,711 EUR
Retailer 6€31,232 EUR
Retailer 3€31,811 EUR
Retailer 2€33,136 EUR
Retailer 4€33,401 EUR
Retailer 8€34,462 EUR
Retailer 5€35,026 EUR
Retailer 7€35,787 EUR
The Diamond Guys€39,067 EUR
Retailer 9€39,324 EUR

5 data points across 10 retailers

5 retailers€28,711 EUR to €39,067 EUR

A
Cheapest Retailer
-
€28,711 EUR
$32,076 USD
A
Retailer 2
-
€31,232 EUR
CA$48,462 CAD
View
Retailer 3
-
€33,136 EUR
$37,020 USD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
€35,026 EUR
$39,131 USD
View
Most Expensive
B+
The Diamond Guys
1971901563 · Oct 29
€39,067 EUR
$43,646 USD
View
4 more retailers have this diamond
Prices start from €28,711 EURSave up to €10,356 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
3.05ct Round
€28,711 EUR