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Heart|Natural|GIA

3.09ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6401181349

Certificate GIA 6401181349

Diamond specifications and retailer prices

From $50,102 AUD
As of November 5, 2026
Save $7,124 AUD (12%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $88,414 AUD at MOH London · As of October 8, 2026
View at MOH London

About this 3.09ct natural heart diamond

This 3.09ct natural heart sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6401181349. Listed at 8 retailers as of November 5, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.09
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6401181349
Dimensions8.69 × 10.19 × 5.95 mm
L/W Ratio1.17
Top View
8.69 mm10.19 mm3.09 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6401181349
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.4%

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 5
Current: $88,414 AUD|Low: $46,191 AUD|High: $88,649 AUD|Avg: $56,839 AUD|+4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$46,191 AUD
Retailer 10$47,465 AUD
Retailer 3$50,102 AUD
Retailer 9$53,444 AUD
Retailer 2$54,262 AUD
Retailer 4$55,071 AUD
Retailer 6$55,378 AUD
Retailer 7$55,378 AUD
Retailer 5$57,226 AUD
Retailer 8$60,287 AUD
MOH London$88,414 AUD

38 data points across 11 retailers

8 retailers$50,102 AUD to $57,226 AUD

B+
Cheapest Retailer
-
$50,102 AUD
B
Retailer 2
-
$53,444 AUD
View
B+
Retailer 3
-
$54,262 AUD
View
Retailer 4
-
$55,071 AUD
View
Price last confirmed 33 days ago
B
Retailer 5
-
$55,378 AUD
View
B
Retailer 6
-
$55,378 AUD
View
B
Retailer 7
-
$57,226 AUD
View
Most Expensive
MOH London
D99C17202 · Oct 8
$88,414 AUD
£47,834 GBP
View
Price last confirmed 29 days ago
7 more retailers have this diamond
Prices start from $50,102 AUDSave up to $7,124 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.

B+
3.09ct Heart
$50,102 AUD