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Heart|Natural|GIA

1.00ct L SI1 Heart Natural Diamond

EX • L/SI1 • GIA 5526392677

Certificate GIA 5526392677

Diamond specifications and retailer prices

From £960 GBP
As of November 5, 2026
Save £1,566 GBP (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,526 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct 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 5526392677. Listed at 13 retailers as of November 5, 2026, with prices from £960 to £2,526, a £1,566 spread on the same certified stone. NZ Jewellers lists it at £2,526. 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

1.00
Carat
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5526392677
Dimensions5.66 × 6.37 × 3.46 mm
L/W Ratio1.13
Top View
5.66 mm6.37 mm1.00 ctL / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5526392677
Side View
Table 59.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 54.2%

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 5
Current: £2,526 GBP|Low: £960 GBP|High: £2,526 GBP|Avg: £1,229 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9£960 GBP
Retailer 2£1,004 GBP
Retailer 3£1,035 GBP
Retailer 4£1,035 GBP
Retailer 11£1,049 GBP
Retailer 10£1,083 GBP
Retailer 8£1,113 GBP
Retailer 5£1,143 GBP
Retailer 7£1,195 GBP
Retailer 12£1,195 GBP
Retailer 6£1,263 GBP
NZ Jewellers£2,526 GBP

44 data points across 12 retailers

13 retailers£960 GBP to £2,526 GBP

B+
Cheapest Retailer
-
£960 GBP
B+
Retailer 2
-
£1,004 GBP
View
Retailer 3
-
£1,035 GBP
View
Price last confirmed 8 days ago
B
Retailer 4
-
£1,035 GBP
View
B
Retailer 5
-
£1,049 GBP
View
B
Retailer 6
-
£1,083 GBP
View
B
Retailer 7
-
£1,113 GBP
View
B
Retailer 8
-
£1,136 GBP
View
B
Retailer 9
-
£1,143 GBP
View
B
Retailer 10
-
£1,195 GBP
View
B
Retailer 11
-
£1,195 GBP
View
B
Retailer 12
-
£1,263 GBP
View
Most Expensive
C
NZ Jewellers
958da8e3-eec6-4f15-bcae-d7800f1aa4df · Nov 5
£2,526 GBP
$3,381 USD
View
12 more retailers have this diamond
Prices start from £960 GBPSave up to £1,566 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+
1.00ct Heart
£960 GBP