CaratHunter
Plans
Heart|Natural|GIA

1.50ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 5393712365

Certificate GIA 5393712365

Diamond specifications and retailer prices

From £3,050 GBP
As of November 6, 2026
Save £3,900 GBP (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,950 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5393712365. Listed at 17 retailers as of November 5, 2026, with prices from £3,050 to £6,950, a £3,900 spread on the same certified stone. NZ Jewellers lists it at £6,950. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5393712365
Dimensions6.83 × 7.67 × 4.63 mm
L/W Ratio1.12
Top View
6.83 mm7.67 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5393712365
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.4%

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: Nov 6
Current: £4,004 GBP|Low: £2,882 GBP|High: £6,699 GBP|Avg: £3,954 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£3,050 GBP
Retailer 8£3,091 GBP
Retailer 5£3,284 GBP
Retailer 6£3,475 GBP
Retailer 7£3,765 GBP
Retailer 2£3,990 GBP
Retailer 1£4,004 GBP
Retailer 3£6,601 GBP

45 data points across 8 retailers

17 retailers£3,050 GBP to £6,950 GBP

A
Cheapest Retailer
-
£3,050 GBP
A
Retailer 2
-
£3,091 GBP
View
B+
Retailer 3
-
£3,284 GBP
View
B+
Retailer 4
-
£3,475 GBP
View
Final sale: no returns
B+
Retailer 5
-
£3,504 GBP
View
Retailer 6
-
£3,765 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£3,765 GBP
View
B+
Retailer 8
-
£3,765 GBP
View
B+
Retailer 9
-
£3,990 GBP
View
B+
Retailer 10
-
£4,004 GBP
View
B
Retailer 11
-
£4,214 GBP
View
B
Retailer 12
-
£4,214 GBP
View
B
Retailer 13
-
£4,344 GBP
View
B
Retailer 14
-
£4,356 GBP
View
Retailer 15
-
£4,585 GBP
View
Price last confirmed 14 days ago
B
Retailer 16
-
£6,601 GBP
View
Most Expensive
B
NZ Jewellers
970036ec-3188-401b-ac28-68c2b02d8c08 · Nov 5
£6,950 GBP
$9,303 USD
View
16 more retailers have this diamond
Prices start from £3,050 GBPSave up to £3,900 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
£3,050 GBP