CaratHunter
Plans
Heart|Natural|GIA

1.20ct L SI1 Heart Natural Diamond

EX • L/SI1 • GIA 7536243518

Certificate GIA 7536243518

Diamond specifications and retailer prices

From £1,065 GBP
As of November 2, 2026
Save £1,599 GBP (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,664 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7536243518. Listed at 6 retailers as of November 2, 2026, with prices from £1,065 to £2,664, a £1,599 spread on the same certified stone. NZ Jewellers lists it at £2,664. 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

1.20
Carat
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.15°
Pavilion angle43.21°
OriginNatural
Grading LabGIA
CertificateGIA 7536243518
Dimensions6.07 × 7.32 × 4.58 mm
L/W Ratio1.21
Girdle conditionVery Thick
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
6.07 mm7.32 mm1.20 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7536243518
Side View
Table 64.0%Crown 38.15°GirdlePavilion 43.21°CuletDepth 62.6%

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: Nov 2
Current: £2,664 GBP|Low: £1,065 GBP|High: £2,711 GBP|Avg: £1,402 GBP|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2£1,065 GBP
Retailer 4£1,091 GBP
Retailer 5£1,092 GBP
Retailer 6£1,143 GBP
Retailer 3£1,165 GBP
Retailer 9£1,361 GBP
Retailer 7£1,368 GBP
Retailer 8£1,511 GBP
NZ Jewellers£2,664 GBP

26 data points across 9 retailers

6 retailers£1,065 GBP to £2,664 GBP

B+
Cheapest Retailer
-
£1,065 GBP
B+
Retailer 2
-
£1,091 GBP
View
B+
Retailer 3
-
£1,092 GBP
View
B+
Retailer 4
-
£1,143 GBP
View
B+
Retailer 5
-
£1,165 GBP
View
Most Expensive
C
NZ Jewellers
be8ca598-03f1-4335-94e6-9b6cbbba24dd · Nov 3
£2,664 GBP
$3,566 USD
View
5 more retailers have this diamond
Prices start from £1,065 GBPSave up to £1,599 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+
1.20ct Heart
£1,065 GBP