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Heart|Natural|GIA

1.01ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2544526406

Certificate GIA 2544526406

Diamond specifications and retailer prices

From £1,967 GBP
As of November 6, 2026
Save £2,457 GBP (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,424 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct natural heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544526406. Listed at 24 retailers as of November 5, 2026, with prices from £1,967 to £4,424, a £2,457 spread on the same certified stone. NZ Jewellers lists it at £4,424. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.36°
Pavilion angle38.72°
OriginNatural
Grading LabGIA
CertificateGIA 2544526406
Dimensions5.93 × 6.97 × 4.13 mm
L/W Ratio1.18
Top View
5.93 mm6.97 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544526406
Side View
Table 58.0%Crown 35.36°Girdle: STK-VTKPavilion 38.72°Culet: NoneDepth 59.2%

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 6
Current: £1,967 GBP|Low: £1,967 GBP|High: £4,292 GBP|Avg: £2,701 GBP|-1.8%
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£1,967 GBP
Retailer 9£1,969 GBP
Retailer 7£2,256 GBP
Retailer 10£2,368 GBP
Retailer 3£2,463 GBP
Retailer 5£2,628 GBP
Retailer 4£2,745 GBP
Retailer 2£2,927 GBP
Retailer 6£3,100 GBP
Retailer 8£4,235 GBP

26 data points across 10 retailers

24 retailers£1,967 GBP to £4,424 GBP

B+
Cheapest Retailer
-
£1,967 GBP
B+
Retailer 2
-
£1,969 GBP
View
B+
Retailer 3
-
£2,168 GBP
View
B+
Retailer 4
-
£2,255 GBP
View
B+
Retailer 5
-
£2,256 GBP
View
B+
Retailer 6
-
£2,344 GBP
View
Final sale: no returns
B+
Retailer 7
-
£2,368 GBP
View
B+
Retailer 8
-
£2,451 GBP
View
B+
Retailer 9
-
£2,463 GBP
View
B
Retailer 10
-
£2,531 GBP
View
B
Retailer 11
-
£2,539 GBP
View
Retailer 12
-
£2,539 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£2,628 GBP
View
B
Retailer 14
-
£2,637 GBP
View
B
Retailer 15
-
£2,647 GBP
View
B
Retailer 16
-
£2,715 GBP
View
Retailer 17
-
£2,722 GBP
View
Price last confirmed 33 days ago
B
Retailer 18
-
£2,745 GBP
View
B
Retailer 19
-
£2,798 GBP
View
B
Retailer 20
-
£2,930 GBP
View
B
Retailer 21
-
£3,100 GBP
View
B
Retailer 22
-
£3,818 GBP
View
B
Retailer 23
-
£4,235 GBP
View
Most Expensive
B
NZ Jewellers
6fe60668-5117-4398-a596-87e1ffacbab6 · Nov 5
£4,424 GBP
$5,922 USD
View
23 more retailers have this diamond
Prices start from £1,967 GBPSave up to £2,457 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+
1.01ct Heart
£1,967 GBP