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Round|Natural|GIA

3.03ct I SI1 Round Natural Diamond

ID • I/SI1 • GIA 11

Certificate GIA 11

Diamond specifications and retailer prices

From €34,495 EUR
$38,538 USD
As of November 2, 2026
Save €5,493 EUR (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €39,988 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from €34,495 to €39,988, a €5,493 spread on the same certified stone. Blue Nile lists it at €39,988. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 11
Dimensions9.33 × 9.36 × 5.69 mm
L/W Ratio1.00
Top View
9.33 mm9.36 mm3.03 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 11
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €39,988 EUR|Low: €34,153 EUR|High: €39,988 EUR|Avg: €36,917 EUR
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2€34,495 EUR
Retailer 3€36,599 EUR
Blue Nile€39,988 EUR

3 data points across 3 retailers

3 retailers€34,495 EUR to €39,988 EUR

B
Cheapest Retailer
-
€34,495 EUR
$38,538 USD
B
Retailer 2
-
€36,599 EUR
$40,889 USD
View
Most Expensive
B
Blue Nile
16733692 · Oct 31
€39,988 EUR
$44,675 USD
View
2 more retailers have this diamond
Prices start from €34,495 EURSave up to €5,493 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
3.03ct Round
€34,495 EUR