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Heart|Natural|GIA

1.00ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2235130373

Certificate GIA 2235130373

Diamond specifications and retailer prices

From £2,046 GBP
As of November 4, 2026
Save £2,596 GBP (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £4,642 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 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 2235130373. Listed at 26 retailers as of November 4, 2026, with prices from £2,046 to £4,642, a £2,596 spread on the same certified stone. NZ Jewellers lists it at £4,642. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2235130373
Dimensions6.37 × 7.15 × 3.99 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeNone
Top View
6.37 mm7.15 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2235130373
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 55.9%

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 4
Current: £2,757 GBP|Low: £2,040 GBP|High: £4,509 GBP|Avg: £2,777 GBP|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11£2,067 GBP
Retailer 10£2,117 GBP
Retailer 7£2,143 GBP
Retailer 3£2,267 GBP
Retailer 12£2,414 GBP
Retailer 13£2,594 GBP
Retailer 4£2,623 GBP
Retailer 1£2,757 GBP
Retailer 2£2,785 GBP
Retailer 9£2,853 GBP
Retailer 5£3,018 GBP
Retailer 6£3,251 GBP
Retailer 8£4,443 GBP

46 data points across 13 retailers

26 retailers£2,046 GBP to £4,642 GBP

B+
Cheapest Retailer
-
£2,046 GBP
B+
Retailer 2
-
£2,067 GBP
View
B+
Retailer 3
-
£2,117 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,134 GBP
View
B+
Retailer 5
-
£2,143 GBP
View
B+
Retailer 6
-
£2,267 GBP
View
B+
Retailer 7
-
£2,338 GBP
View
Retailer 8
-
£2,414 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£2,414 GBP
View
B
Retailer 10
-
£2,468 GBP
View
B
Retailer 11
-
£2,507 GBP
View
B
Retailer 12
-
£2,594 GBP
View
B
Retailer 13
-
£2,623 GBP
View
B
Retailer 14
-
£2,623 GBP
View
B
Retailer 15
-
£2,742 GBP
View
B
Retailer 16
-
£2,742 GBP
View
B
Retailer 17
-
£2,757 GBP
View
B
Retailer 18
-
£2,785 GBP
View
B
Retailer 19
-
£2,832 GBP
View
Retailer 20
-
£2,853 GBP
View
Price last confirmed 29 days ago
Retailer 21
-
£3,018 GBP
View
Price last confirmed 14 days ago
B
Retailer 22
-
£3,130 GBP
View
B
Retailer 23
-
£3,251 GBP
View
B
Retailer 24
-
£3,847 GBP
View
B
Retailer 25
-
£4,443 GBP
View
Most Expensive
B
NZ Jewellers
63d4df0d-7cf5-4c55-8bb6-a012ca71f0a2 · Nov 5
£4,642 GBP
$6,213 USD
View
25 more retailers have this diamond
Prices start from £2,046 GBPSave up to £2,596 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
£2,046 GBP