Heart|Natural|GIA

1.08ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6551481874

Certificate GIA 6551481874

Diamond specifications and retailer prices

From £1,020 GBP
As of November 6, 2026
Save £1,674 GBP (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,694 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.08ct natural heart diamond

This 1.08ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551481874. Listed at 4 retailers as of November 5, 2026, with prices from £1,020 to £2,694, a £1,674 spread on the same certified stone. NZ Jewellers lists it at £2,694. 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

1.08
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551481874
Dimensions6.28 × 7.16 × 3.87 mm
L/W Ratio1.14
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
6.28 mm7.16 mm1.08 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551481874
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 54.1%

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: £2,694 GBP|Low: £891 GBP|High: £3,036 GBP|Avg: £1,805 GBP|-11.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 4£1,020 GBP
Retailer 3£1,196 GBP
Retailer 5£1,894 GBP
Retailer 2£1,930 GBP
NZ Jewellers£2,694 GBP

18 data points across 5 retailers

4 retailers£1,020 GBP to £2,694 GBP

A
Cheapest Retailer
-
£1,020 GBP
Final sale: no returns
A
Retailer 2
-
£1,196 GBP
View
B
Retailer 3
-
£1,930 GBP
View
Most Expensive
B
NZ Jewellers
83c69d3a-83d7-448a-8632-3b5a0cc74c87 · Nov 5
£2,694 GBP
$3,606 USD
View
3 more retailers have this diamond
Prices start from £1,020 GBPSave up to £1,674 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
1.08ct Heart
£1,020 GBP