Round|Natural|GIA

3.05ct H SI2 Round Natural Diamond

EX • H/SI2

Diamond specifications and retailer prices

From €18,912 EUR
$21,212 USD
As of October 31, 2026
Save €6,634 EUR (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €26,970 EUR at Moon Ocean · As of September 30, 2026
View at Moon Ocean

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 5 retailers as of October 31, 2026, with a 35% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions9.18 × 9.24 × 5.78 mm
L/W Ratio1.01
Top View
9.18 mm9.24 mm3.05 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
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: Oct 31
Current: €26,970 EUR|Low: €18,726 EUR|High: €29,733 EUR|Avg: €23,539 EUR|+2.4%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 9, 2026
Retailer 2€18,912 EUR
Retailer 9€20,601 EUR
Retailer 4€21,788 EUR
Retailer 3€22,038 EUR
Retailer 7€22,738 EUR
Retailer 6€22,904 EUR
Retailer 8€23,612 EUR
Retailer 10€25,546 EUR
Moon Ocean€26,970 EUR
Retailer 5€29,733 EUR

10 data points across 10 retailers

5 retailers€18,912 EUR to €25,546 EUR

A
Cheapest Retailer
-
€18,912 EUR
$21,212 USD
A
Retailer 2
-
€20,601 EUR
CA$32,092 CAD
View
B+
Retailer 3
-
€22,904 EUR
$25,689 USD
View
B+
Retailer 4
-
€25,546 EUR
$28,653 USD
View
Most Expensive
Moon Ocean
NVN-46240AD38-639 · Sep 30
€26,970 EUR
£23,818 GBP
View
Price last confirmed 33 days ago
4 more retailers have this diamond
Prices start from €18,912 EURSave up to €6,634 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
€18,912 EUR