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Heart|Natural|GIA

3.03ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 609

Certificate GIA 609

Diamond specifications and retailer prices

From $49,086 NZD
As of November 6, 2026
Save $8,296 NZD (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $57,382 NZD at Blue Nile · As of November 5, 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 November 5, 2026, with prices from $49,086 to $57,382, a $8,296 spread on the same certified stone. Blue Nile lists it at $57,382. 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
Colour
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: Nov 6
Current: $57,382 NZD|Low: $49,086 NZD|High: $57,382 NZD|Avg: $52,204 NZD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$49,086 NZD
Retailer 3$52,733 NZD
Blue Nile$57,382 NZD

2 data points across 3 retailers

3 retailers$49,086 NZD to $57,382 NZD

B+
Cheapest Retailer
-
$49,086 NZD
B
Retailer 2
-
$52,733 NZD
View
Most Expensive
B
Blue Nile
18833566 · Nov 5
$57,382 NZD
$31,810 USD
View
2 more retailers have this diamond
Prices start from $49,086 NZDSave up to $8,296 NZD

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
$49,086 NZD