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Heart|Natural|GIA

3.73ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 5486039260

Certificate GIA 5486039260

Diamond specifications and retailer prices

From $79,405 AUD
CA$77,469 CAD
As of October 30, 2026
Save $51,624 AUD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $131,029 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.73ct natural heart diamond

This 3.73ct natural heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5486039260. Listed at 13 retailers as of October 30, 2026, with prices from $79,405 to $131,029, a $51,624 spread on the same certified stone. MOH London lists it at $131,029. 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

3.73
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.8°
OriginNatural
Grading LabGIA
CertificateGIA 5486039260
Dimensions9.26 × 10.62 × 6.23 mm
L/W Ratio1.15
Top View
9.26 mm10.62 mm3.73 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5486039260
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 36.8°Culet: NoneDepth 58.6%

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: Oct 30
Current: $131,029 AUD|Low: $82,199 AUD|High: $132,609 AUD|Avg: $92,782 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12$82,199 AUD
Retailer 10$84,273 AUD
Retailer 2$84,967 AUD
Retailer 8$87,395 AUD
Retailer 4$87,751 AUD
Retailer 5$87,751 AUD
Retailer 7$89,049 AUD
Retailer 3$90,669 AUD
Retailer 6$91,099 AUD
Retailer 9$94,187 AUD
Retailer 13$95,899 AUD
Retailer 11$99,482 AUD
MOH London$131,029 AUD

29 data points across 13 retailers

13 retailers$79,405 AUD to $131,029 AUD

B+
Cheapest Retailer
-
$79,405 AUD
CA$77,469 CAD
B+
Retailer 2
-
$82,199 AUD
$57,740 USD
View
B
Retailer 3
-
$84,273 AUD
$59,197 USD
View
B+
Retailer 4
-
$84,967 AUD
£46,996 GBP
View
B
Retailer 5
-
$87,395 AUD
$61,390 USD
View
B
Retailer 6
-
$87,751 AUD
$61,640 USD
View
B
Retailer 7
-
$87,751 AUD
$61,640 USD
View
B
Retailer 8
-
$89,049 AUD
$62,552 USD
View
B
Retailer 9
-
$90,669 AUD
$63,690 USD
View
B
Retailer 10
-
$91,099 AUD
CA$88,878 CAD
View
B
Retailer 11
-
$94,187 AUD
$66,161 USD
View
B
Retailer 12
-
$95,899 AUD
$67,364 USD
View
Most Expensive
B
MOH London
C9989E48B · Nov 1
$131,029 AUD
£72,473 GBP
View
12 more retailers have this diamond
Prices start from $79,405 AUDSave up to $51,624 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+
3.73ct Heart
$79,405 AUD