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Heart|Natural|GIA

1.00ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2557114313

Certificate GIA 2557114313

Diamond specifications and retailer prices

From £2,014 GBP
As of November 6, 2026
Save £2,096 GBP (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,110 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 2557114313. Listed at 16 retailers as of November 5, 2026, with prices from £2,014 to £4,110, a £2,096 spread on the same certified stone. NZ Jewellers lists it at £4,110. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557114313
Dimensions5.91 × 6.83 × 4.25 mm
L/W Ratio1.16
Top View
5.91 mm6.83 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557114313
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.3%

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: £4,110 GBP|Low: £1,890 GBP|High: £4,110 GBP|Avg: £2,693 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 3£2,177 GBP
Retailer 2£2,288 GBP
Retailer 12£2,290 GBP
Retailer 7£2,359 GBP
Retailer 11£2,359 GBP
Retailer 5£2,441 GBP
Retailer 8£2,450 GBP
Retailer 4£2,520 GBP
Retailer 9£2,722 GBP
Retailer 6£2,879 GBP
Retailer 10£3,945 GBP
NZ Jewellers£4,110 GBP

36 data points across 12 retailers

16 retailers£2,014 GBP to £4,110 GBP

B+
Cheapest Retailer
-
£2,014 GBP
B+
Retailer 2
-
£2,113 GBP
View
B+
Retailer 3
-
£2,154 GBP
View
B+
Retailer 4
-
£2,177 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,288 GBP
View
B+
Retailer 6
-
£2,290 GBP
View
B+
Retailer 7
-
£2,359 GBP
View
Retailer 8
-
£2,359 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£2,441 GBP
View
B+
Retailer 10
-
£2,450 GBP
View
Retailer 11
-
£2,520 GBP
View
Price last confirmed 30 days ago
B
Retailer 12
-
£2,638 GBP
View
B
Retailer 13
-
£2,722 GBP
View
B
Retailer 14
-
£2,879 GBP
View
B
Retailer 15
-
£3,945 GBP
View
Most Expensive
B
NZ Jewellers
dd68b417-986c-4815-b5b3-0d583cfb8786 · Nov 5
£4,110 GBP
$5,501 USD
View
15 more retailers have this diamond
Prices start from £2,014 GBPSave up to £2,096 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
£2,014 GBP