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Heart|Natural|GIA

2.21ct F SI2 Heart Natural Diamond

ID • F/SI2 • GIA 342

Certificate GIA 342

Diamond specifications and retailer prices

From $19,677 AUD
$13,790 USD
As of November 2, 2026
Save $4,773 AUD (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $24,450 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 2.21ct natural heart diamond

This 2.21ct natural heart sits in the two to three carat band, graded F 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. Listed at 3 retailers as of October 31, 2026, with prices from $19,677 to $24,450, a $4,773 spread on the same certified stone. Blue Nile lists it at $24,450. 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

2.21
Carat
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 342
Dimensions7.92 × 9.17 × 5.14 mm
L/W Ratio1.16
Top View
7.92 mm9.17 mm2.21 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 342
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.0%

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 2
Current: $24,450 AUD|Low: $19,677 AUD|High: $24,450 AUD|Avg: $21,222 AUD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$19,677 AUD
Retailer 3$21,152 AUD
Blue Nile$24,450 AUD

2 data points across 3 retailers

3 retailers$19,677 AUD to $24,450 AUD

B+
Cheapest Retailer
-
$19,677 AUD
$13,790 USD
B+
Retailer 2
-
$21,152 AUD
$14,824 USD
View
Most Expensive
B
Blue Nile
24014952 · Oct 31
$24,450 AUD
$17,135 USD
View
2 more retailers have this diamond
Prices start from $19,677 AUDSave up to $4,773 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.

B+
2.21ct Heart
$19,677 AUD