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Heart|Natural|GIA

1.00ct D IF Heart Natural Diamond

EX • D/IF • GIA 1555212199

Certificate GIA 1555212199

Diamond specifications and retailer prices

From £4,318 GBP
As of November 4, 2026
Save £5,295 GBP (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £9,613 GBP at NZ Jewellers · As of November 3, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555212199. Listed at 20 retailers as of November 3, 2026, with prices from £4,318 to £9,613, a £5,295 spread on the same certified stone. NZ Jewellers lists it at £9,613. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555212199
Dimensions5.97 × 6.79 × 4.08 mm
L/W Ratio1.14
Girdle conditionFaceted
Top View
5.97 mm6.79 mm1.00 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555212199
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NDepth 60.2%

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: £5,368 GBP|Low: £4,312 GBP|High: £8,106 GBP|Avg: £5,607 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£4,318 GBP
Retailer 7£4,402 GBP
Retailer 9£4,863 GBP
Retailer 8£5,210 GBP
Retailer 6£5,305 GBP
Retailer 1£5,368 GBP
Retailer 5£5,541 GBP
Retailer 4£7,061 GBP
Retailer 2£7,988 GBP

44 data points across 9 retailers

20 retailers£4,318 GBP to £9,613 GBP

A
Cheapest Retailer
-
£4,318 GBP
A
Retailer 2
-
£4,402 GBP
View
B+
Retailer 3
-
£4,863 GBP
View
B+
Retailer 4
-
£4,968 GBP
View
B+
Retailer 5
-
£5,304 GBP
View
B+
Retailer 6
-
£5,305 GBP
View
B+
Retailer 7
-
£5,305 GBP
View
Final sale: no returns
B+
Retailer 8
-
£5,368 GBP
View
Retailer 9
-
£5,541 GBP
View
Price last confirmed 14 days ago
Retailer 10
-
£5,747 GBP
View
Price last confirmed 44 days ago
B+
Retailer 11
-
£5,747 GBP
View
B+
Retailer 12
-
£5,836 GBP
View
B+
Retailer 13
-
£5,840 GBP
View
B+
Retailer 14
-
£5,868 GBP
View
Retailer 15
-
£6,631 GBP
View
Price last confirmed 44 days ago
B+
Retailer 16
-
£6,631 GBP
View
B+
Retailer 17
-
£7,061 GBP
View
B
Retailer 18
-
£7,988 GBP
View
Retailer 19
-
£9,613 GBP
View
Price last confirmed 46 days ago
Most Expensive
B
NZ Jewellers
c2c950c0-3467-42f6-9e16-0855300ec587 · Nov 3
£9,613 GBP
$12,977 USD
View
19 more retailers have this diamond
Prices start from £4,318 GBPSave up to £5,295 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
1.00ct Heart
£4,318 GBP