CaratHunter
Plans
Heart|Natural|GIA

1.50ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6392508697

Certificate GIA 6392508697

Diamond specifications and retailer prices

From £3,888 GBP
As of October 31, 2026
Save £5,380 GBP (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £9,268 GBP at Adiamor · As of November 5, 2026
View at Adiamor

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6392508697. Listed at 18 retailers as of October 31, 2026, with prices from £3,888 to £9,268, a £5,380 spread on the same certified stone. Adiamor lists it at £9,268. 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

1.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6392508697
Dimensions6.60 × 7.70 × 4.76 mm
L/W Ratio1.17
Top View
6.60 mm7.70 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6392508697
Side View
Table 59.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 61.8%

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: Oct 31
Current: £8,320 GBP|Low: £3,725 GBP|High: £8,320 GBP|Avg: £5,136 GBP|+97.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£3,888 GBP
Retailer 6£3,892 GBP
Retailer 9£4,457 GBP
Retailer 7£4,585 GBP
Retailer 8£4,939 GBP
Retailer 3£5,084 GBP
Retailer 2£5,103 GBP
Retailer 10£5,434 GBP
Retailer 4£7,458 GBP
Retailer 1£8,320 GBP

42 data points across 10 retailers

18 retailers£3,888 GBP to £9,268 GBP

A
Cheapest Retailer
-
£3,888 GBP
A
Retailer 2
-
£3,892 GBP
View
Retailer 3
-
£4,442 GBP
View
Price last confirmed 23 days ago
A
Retailer 4
-
£4,457 GBP
View
B+
Retailer 5
-
£4,585 GBP
View
B+
Retailer 6
-
£4,666 GBP
View
B+
Retailer 7
-
£4,939 GBP
View
Final sale: no returns
Retailer 8
-
£4,939 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£5,084 GBP
View
B+
Retailer 10
-
£5,351 GBP
View
B+
Retailer 11
-
£5,434 GBP
View
B+
Retailer 12
-
£5,471 GBP
View
B+
Retailer 13
-
£5,533 GBP
View
B+
Retailer 14
-
£6,174 GBP
View
B
Retailer 15
-
£7,458 GBP
View
B
Retailer 16
-
£8,320 GBP
View
B
Retailer 17
-
£8,950 GBP
View
Most Expensive
B
Adiamor
D-51261831 · Nov 5
£9,268 GBP
$12,405 USD
View
17 more retailers have this diamond
Prices start from £3,888 GBPSave up to £5,380 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.

A
1.50ct Heart
£3,888 GBP