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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 £41,629 GBP
CA$77,469 CAD
As of October 30, 2026
Save £27,432 GBP (40%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £69,061 GBP at MOH London · As of October 29, 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 29, 2026, with prices from £41,629 to £69,061, a £27,432 spread on the same certified stone. MOH London lists it at £69,061. 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: £69,061 GBP|Low: £43,093 GBP|High: £69,521 GBP|Avg: £48,642 GBP|+0.4%
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
October 29, 2026
Retailer 12£43,093 GBP
Retailer 10£44,180 GBP
Retailer 2£44,545 GBP
Retailer 8£45,817 GBP
Retailer 4£46,004 GBP
Retailer 5£46,004 GBP
Retailer 7£46,684 GBP
Retailer 3£47,534 GBP
Retailer 6£47,759 GBP
Retailer 9£49,378 GBP
Retailer 13£50,276 GBP
Retailer 11£52,154 GBP
MOH London£69,061 GBP

28 data points across 13 retailers

13 retailers£41,629 GBP to £69,061 GBP

B+
Cheapest Retailer
-
£41,629 GBP
CA$77,469 CAD
B+
Retailer 2
-
£43,093 GBP
$57,740 USD
View
B+
Retailer 3
-
£44,180 GBP
$59,197 USD
View
B+
Retailer 4
-
£44,545 GBP
View
B
Retailer 5
-
£45,817 GBP
$61,390 USD
View
B
Retailer 6
-
£46,004 GBP
$61,640 USD
View
B
Retailer 7
-
£46,004 GBP
$61,640 USD
View
B
Retailer 8
-
£46,684 GBP
$62,552 USD
View
B
Retailer 9
-
£47,534 GBP
$63,690 USD
View
B
Retailer 10
-
£47,759 GBP
CA$88,878 CAD
View
B
Retailer 11
-
£49,378 GBP
$66,161 USD
View
B
Retailer 12
-
£50,276 GBP
$67,364 USD
View
Most Expensive
B
MOH London
C9989E48B · Oct 29
£69,061 GBP
View
12 more retailers have this diamond
Prices start from £41,629 GBPSave up to £27,432 GBP

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
£41,629 GBP