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Heart|Natural|GIA

1.02ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5553770241

Certificate GIA 5553770241

Diamond specifications and retailer prices

From £1,022 GBP
As of November 5, 2026
Save £920 GBP (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,942 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded H 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 5553770241. Listed at 11 retailers as of November 5, 2026, with prices from £1,022 to £1,942, a £920 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,942. 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

1.02
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.74°
Pavilion angle37.7°
OriginNatural
Grading LabGIA
CertificateGIA 5553770241
Dimensions6.04 × 7.10 × 4.02 mm
L/W Ratio1.18
Culet sizeNone
Top View
6.04 mm7.10 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553770241
Side View
Table 60.0%Crown 36.74°Girdle: MED-THKPavilion 37.7°Culet: NoneDepth 56.7%

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 5
Current: £1,162 GBP|Low: £1,016 GBP|High: £2,056 GBP|Avg: £1,339 GBP|-5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 3£1,022 GBP
Retailer 4£1,161 GBP
Retailer 1£1,162 GBP
Retailer 5£1,177 GBP
Retailer 8£1,253 GBP
Retailer 7£1,265 GBP
Retailer 2£1,288 GBP
Retailer 6£1,400 GBP
Retailer 9£1,406 GBP
Wholesale Diamonds Direct£1,942 GBP

40 data points across 10 retailers

11 retailers£1,022 GBP to £1,942 GBP

A
Cheapest Retailer
-
£1,022 GBP
A
Retailer 2
-
£1,161 GBP
View
A
Retailer 3
-
£1,162 GBP
View
A
Retailer 4
-
£1,177 GBP
View
A
Retailer 5
-
£1,253 GBP
View
A
Retailer 6
-
£1,265 GBP
View
A
Retailer 7
-
£1,288 GBP
View
B+
Retailer 8
-
£1,400 GBP
View
Retailer 9
-
£1,406 GBP
View
Price last confirmed 41 days ago
B+
Retailer 10
-
£1,646 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
553095831 · Nov 6
£1,942 GBP
$2,599 USD
View
10 more retailers have this diamond
Prices start from £1,022 GBPSave up to £920 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
1.02ct Heart
£1,022 GBP