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Heart|Natural|GIA

3.51ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 6541575365

Certificate GIA 6541575365

Diamond specifications and retailer prices

From $66,004 AUD
CA$64,394 CAD
As of October 27, 2026
Save $42,981 AUD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $108,985 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct natural heart diamond

This 3.51ct 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 6541575365. Listed at 13 retailers as of October 27, 2026, with prices from $66,004 to $108,985, a $42,981 spread on the same certified stone. MOH London lists it at $108,985. 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

3.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541575365
Dimensions9.11 × 10.50 × 6.37 mm
L/W Ratio1.15
Top View
9.11 mm10.50 mm3.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541575365
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.6%

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 27
Current: $108,985 AUD|Low: $49,156 AUD|High: $110,297 AUD|Avg: $71,280 AUD|-1.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 7$49,156 AUD
Retailer 9$59,791 AUD
Retailer 12$59,872 AUD
Retailer 10$59,899 AUD
Retailer 6$60,524 AUD
Retailer 17$66,004 AUD
Retailer 3$68,897 AUD
Retailer 8$69,535 AUD
Retailer 20$70,316 AUD
Retailer 15$70,643 AUD
Retailer 13$72,690 AUD
Retailer 4$73,202 AUD
Retailer 19$73,202 AUD
Retailer 14$74,020 AUD
Retailer 5$75,190 AUD
Retailer 18$75,636 AUD
Retailer 11$75,897 AUD
Retailer 2$79,714 AUD
Retailer 16$81,423 AUD
MOH London$108,985 AUD

20 data points across 20 retailers

13 retailers$66,004 AUD to $108,985 AUD

B+
Cheapest Retailer
-
$66,004 AUD
CA$64,394 CAD
Retailer 2
-
$68,897 AUD
$48,396 USD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
$70,316 AUD
$49,393 USD
View
B+
Retailer 4
-
$70,643 AUD
£39,073 GBP
View
B+
Retailer 5
-
$72,690 AUD
$51,061 USD
View
B+
Retailer 6
-
$73,202 AUD
$51,420 USD
View
B+
Retailer 7
-
$73,202 AUD
$51,420 USD
View
B+
Retailer 8
-
$74,020 AUD
$51,995 USD
View
B+
Retailer 9
-
$75,190 AUD
$52,817 USD
View
B+
Retailer 10
-
$75,636 AUD
$53,130 USD
View
B
Retailer 11
-
$79,714 AUD
$55,995 USD
View
B
Retailer 12
-
$81,423 AUD
$57,195 USD
View
Most Expensive
B
MOH London
51BC80EF8 · Nov 1
$108,985 AUD
£60,280 GBP
View
12 more retailers have this diamond
Prices start from $66,004 AUDSave up to $42,981 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+
3.51ct Heart
$66,004 AUD