CaratHunter
Plans
Heart|Natural|GIA

3.00ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6532036187

Certificate GIA 6532036187

Diamond specifications and retailer prices

From $19,435 AUD
As of November 3, 2026
Save $11,586 AUD (37%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $31,022 AUD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3ct natural heart diamond

This 3ct natural heart sits in the three to five carat band, graded H 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 6532036187. Listed at 7 retailers as of November 3, 2026, with prices from $19,435 to $31,022, a $11,586 spread on the same certified stone. The Diamond Guys lists it at $31,022. 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

3.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle42.51°
Pavilion angle38.41°
OriginNatural
Grading LabGIA
CertificateGIA 6532036187
Dimensions9.80 × 8.73 × 5.22 mm
L/W Ratio1.12
Top View
9.80 mm8.73 mm3.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6532036187
Side View
Table 59.0%Crown 42.51°Girdle: MED-THKPavilion 38.41°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $21,585 AUD|Low: $19,435 AUD|High: $32,340 AUD|Avg: $24,369 AUD|-6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$19,435 AUD
Retailer 5$20,811 AUD
Retailer 6$21,073 AUD
Retailer 1$21,585 AUD
Retailer 7$21,723 AUD
Retailer 2$26,180 AUD
Retailer 3$28,652 AUD

42 data points across 7 retailers

7 retailers$19,435 AUD to $31,022 AUD

A
Cheapest Retailer
-
$19,435 AUD
A
Retailer 2
-
$20,811 AUD
View
A
Retailer 3
-
$21,073 AUD
View
A
Retailer 4
-
$21,585 AUD
View
A
Retailer 5
-
$21,723 AUD
View
A
Retailer 6
-
$26,180 AUD
View
Most Expensive
B+
The Diamond Guys
1967582846 · Nov 6
$31,022 AUD
$21,315 USD
View
6 more retailers have this diamond
Prices start from $19,435 AUDSave up to $11,586 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
3.00ct Heart
$19,435 AUD