Heart|Natural|GIA

3.03ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 609

Certificate GIA 609

Diamond specifications and retailer prices

From €24,356 EUR
$27,211 USD
As of October 30, 2026
Save €4,117 EUR (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €28,473 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.03ct natural heart diamond

This 3.03ct natural heart sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 30, 2026, with prices from €24,356 to €28,473, a €4,117 spread on the same certified stone. Blue Nile lists it at €28,473. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 609
Dimensions8.92 × 10.28 × 5.75 mm
L/W Ratio1.15
Top View
8.92 mm10.28 mm3.03 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 609
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 55.9%

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: €28,473 EUR|Low: €24,116 EUR|High: €31,697 EUR|Avg: €28,055 EUR
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 1, 2026
Retailer 3€24,356 EUR
Retailer 7€26,167 EUR
Retailer 5€28,175 EUR
Blue Nile€28,473 EUR
Retailer 4€29,349 EUR
Retailer 2€29,584 EUR
Retailer 6€31,697 EUR

4 data points across 7 retailers

3 retailers€24,356 EUR to €28,473 EUR

B+
Cheapest Retailer
-
€24,356 EUR
$27,211 USD
B
Retailer 2
-
€26,167 EUR
$29,233 USD
View
Most Expensive
B
Blue Nile
18833566 · Oct 31
€28,473 EUR
$31,810 USD
View
2 more retailers have this diamond
Prices start from €24,356 EURSave up to €4,117 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 Heart
€24,356 EUR