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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 $34,874 SGD
As of November 6, 2026
Save $5,894 SGD (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $40,768 SGD 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 $34,874 to $40,768, a $5,894 spread on the same certified stone. Blue Nile lists it at $40,768. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $40,768 SGD|Low: $34,874 SGD|High: $40,768 SGD|Avg: $37,089 SGD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$34,874 SGD
Retailer 3$37,465 SGD
Blue Nile$40,768 SGD

2 data points across 3 retailers

3 retailers$34,874 SGD to $40,768 SGD

B+
Cheapest Retailer
-
$34,874 SGD
B
Retailer 2
-
$37,465 SGD
View
Most Expensive
B
Blue Nile
18833566 · Nov 5
$40,768 SGD
$31,810 USD
View
2 more retailers have this diamond
Prices start from $34,874 SGDSave up to $5,894 SGD

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
$34,874 SGD