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Heart|Natural|GIA

1.04ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2436182351

Certificate GIA 2436182351

Diamond specifications and retailer prices

From £1,129 GBP
As of November 6, 2026
Save £2,182 GBP (66%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,310 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.04ct natural heart diamond

This 1.04ct 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 2436182351. Listed at 21 retailers as of November 5, 2026, with prices from £1,129 to £3,310, a £2,182 spread on the same certified stone. NZ Jewellers lists it at £3,310. 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

1.04
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2436182351
Dimensions6.02 × 6.74 × 4.04 mm
L/W Ratio1.12
Top View
6.02 mm6.74 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2436182351
Side View
Table 59.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 59.9%

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: £1,129 GBP|Low: £1,129 GBP|High: £2,788 GBP|Avg: £1,640 GBP|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1£1,129 GBP
Retailer 9£1,148 GBP
Retailer 2£1,430 GBP
Retailer 10£1,461 GBP
Retailer 8£1,495 GBP
Retailer 3£1,536 GBP
Retailer 4£1,599 GBP
Retailer 5£1,720 GBP
Retailer 6£1,932 GBP
Retailer 7£2,774 GBP

31 data points across 10 retailers

21 retailers£1,129 GBP to £3,310 GBP

A
Cheapest Retailer
-
£1,129 GBP
A
Retailer 2
-
£1,148 GBP
View
B+
Retailer 3
-
£1,389 GBP
View
B+
Retailer 4
-
£1,430 GBP
View
B+
Retailer 5
-
£1,461 GBP
View
Final sale: no returns
B+
Retailer 6
-
£1,495 GBP
View
B+
Retailer 7
-
£1,536 GBP
View
Retailer 8
-
£1,583 GBP
View
Price last confirmed 8 days ago
B
Retailer 9
-
£1,583 GBP
View
B
Retailer 10
-
£1,599 GBP
View
B
Retailer 11
-
£1,599 GBP
View
B+
Retailer 12
-
£1,656 GBP
View
B+
Retailer 13
-
£1,687 GBP
View
B+
Retailer 14
-
£1,720 GBP
View
B
Retailer 15
-
£1,727 GBP
View
B
Retailer 16
-
£1,827 GBP
View
B
Retailer 17
-
£1,932 GBP
View
Retailer 18
-
£1,947 GBP
View
Price last confirmed 31 days ago
B
Retailer 19
-
£2,774 GBP
View
B
Retailer 20
-
£3,016 GBP
View
Most Expensive
B
NZ Jewellers
7252daa0-bfc7-4c7b-a550-b06c46732c3b · Nov 5
£3,310 GBP
$4,431 USD
View
20 more retailers have this diamond
Prices start from £1,129 GBPSave up to £2,182 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
1.04ct Heart
£1,129 GBP