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Heart|Natural|GIA

2.03ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 5453550122

Certificate GIA 5453550122

Diamond specifications and retailer prices

From $15,136 AUD
As of November 6, 2026
Save $6,124 AUD (29%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $21,260 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 2.03ct natural heart diamond

This 2.03ct natural heart sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5453550122. Listed at 5 retailers as of November 5, 2026, with prices from $15,136 to $21,260, a $6,124 spread on the same certified stone. Blue Nile lists it at $21,260. 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

2.03
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5453550122
Dimensions8.64 × 7.85 × 4.55 mm
L/W Ratio1.10
Top View
8.64 mm7.85 mm2.03 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5453550122
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 57.9%

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: $21,260 AUD|Low: $15,065 AUD|High: $21,260 AUD|Avg: $18,099 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$15,136 AUD
Retailer 4$16,571 AUD
Retailer 3$19,759 AUD
Blue Nile$21,260 AUD

45 data points across 4 retailers

5 retailers$15,136 AUD to $21,260 AUD

A
Cheapest Retailer
-
$15,136 AUD
A
Retailer 2
-
$16,136 AUD
View
A
Retailer 3
-
$16,571 AUD
View
Final sale: no returns
B+
Retailer 4
-
$19,759 AUD
View
Most Expensive
B
Blue Nile
16895054 · Nov 5
$21,260 AUD
$14,608 USD
View
4 more retailers have this diamond
Prices start from $15,136 AUDSave up to $6,124 AUD

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
2.03ct Heart
$15,136 AUD