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Heart|Natural|GIA

1.01ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 2556189703

Certificate GIA 2556189703

Diamond specifications and retailer prices

From £799 GBP
As of November 4, 2026
Save £528 GBP (40%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,326 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.01ct natural heart diamond

This 1.01ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556189703. Listed at 11 retailers as of November 4, 2026, with prices from £799 to £1,326, a £528 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,326. 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

1.01
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.52°
Pavilion angle38.94°
OriginNatural
Grading LabGIA
CertificateGIA 2556189703
Dimensions5.89 × 6.93 × 4.14 mm
L/W Ratio1.18
Top View
5.89 mm6.93 mm1.01 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556189703
Side View
Table 59.0%Crown 41.52°Girdle: STK-THKPavilion 38.94°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £882 GBP|Low: £799 GBP|High: £1,431 GBP|Avg: £960 GBP|-4.4%
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 6£799 GBP
Retailer 5£820 GBP
Retailer 2£840 GBP
Retailer 7£864 GBP
Retailer 9£870 GBP
Retailer 1£882 GBP
Retailer 4£900 GBP
Retailer 8£984 GBP
Retailer 3£1,002 GBP
Wholesale Diamonds Direct£1,326 GBP

32 data points across 10 retailers

11 retailers£799 GBP to £1,326 GBP

A
Cheapest Retailer
-
£799 GBP
A
Retailer 2
-
£820 GBP
View
A
Retailer 3
-
£840 GBP
View
A
Retailer 4
-
£864 GBP
View
A
Retailer 5
-
£870 GBP
View
A
Retailer 6
-
£882 GBP
View
A
Retailer 7
-
£900 GBP
View
A
Retailer 8
-
£984 GBP
View
A
Retailer 9
-
£1,002 GBP
View
B+
Retailer 10
-
£1,121 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
419410280 · Nov 6
£1,326 GBP
$1,775 USD
View
10 more retailers have this diamond
Prices start from £799 GBPSave up to £528 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
1.01ct Heart
£799 GBP