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Round|Natural|GIA

3.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1558477975

Certificate GIA 1558477975

Diamond specifications and retailer prices

From €18,904 EUR
As of November 6, 2026
Save €6,496 EUR (26%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €25,400 EUR at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558477975. Listed at 7 retailers as of November 6, 2026, with prices from €18,904 to €25,400, a €6,496 spread on the same certified stone. The Diamond Guys lists it at €25,400. 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

3.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1558477975
Dimensions9.32 × 9.36 × 5.62 mm
L/W Ratio1.00
Key to symbols
Feather, Crystal, Twinning Wisp
Top View
9.32 mm9.36 mm3.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558477975
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.2%

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: Nov 6
Current: €19,506 EUR|Low: €18,708 EUR|High: €25,505 EUR|Avg: €22,000 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
The Diamond Guys
November 6, 2026
Retailer 4€18,904 EUR
Retailer 1€19,506 EUR
Retailer 5€20,180 EUR
Retailer 3€22,510 EUR
Retailer 2€25,369 EUR
The Diamond Guys€25,400 EUR

45 data points across 6 retailers

7 retailers€18,904 EUR to €25,400 EUR

A
Cheapest Retailer
-
€18,904 EUR
A
Retailer 2
-
€19,506 EUR
View
B+
Retailer 3
-
€19,992 EUR
View
B+
Retailer 4
-
€20,180 EUR
View
B+
Retailer 5
-
€22,510 EUR
View
B
Retailer 6
-
€25,369 EUR
View
Most Expensive
B
The Diamond Guys
1982806790 · Nov 6
€25,400 EUR
$28,509 USD
View
6 more retailers have this diamond
Prices start from €18,904 EURSave up to €6,496 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
3.03ct Round
€18,904 EUR