Heart|Natural|GIA

1.01ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2546540943

Certificate GIA 2546540943

Diamond specifications and retailer prices

From £1,608 GBP
As of November 6, 2026
Save £2,634 GBP (62%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,241 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546540943. Listed at 20 retailers as of November 5, 2026, with prices from £1,608 to £4,241, a £2,634 spread on the same certified stone. NZ Jewellers lists it at £4,241. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2546540943
Dimensions6.06 × 6.95 × 4.09 mm
L/W Ratio1.15
Top View
6.06 mm6.95 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2546540943
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £4,241 GBP|Low: £1,461 GBP|High: £4,241 GBP|Avg: £2,383 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6£1,608 GBP
Retailer 8£1,610 GBP
Retailer 9£1,838 GBP
Retailer 7£1,923 GBP
Retailer 10£2,121 GBP
Retailer 2£2,147 GBP
Retailer 5£2,273 GBP
Retailer 3£2,476 GBP
Retailer 4£3,544 GBP
NZ Jewellers£4,241 GBP

44 data points across 10 retailers

20 retailers£1,608 GBP to £4,241 GBP

B+
Cheapest Retailer
-
£1,608 GBP
Final sale: no returns
B+
Retailer 2
-
£1,610 GBP
View
B+
Retailer 3
-
£1,652 GBP
View
B+
Retailer 4
-
£1,733 GBP
View
B+
Retailer 5
-
£1,838 GBP
View
B+
Retailer 6
-
£1,871 GBP
View
B+
Retailer 7
-
£1,923 GBP
View
B
Retailer 8
-
£1,992 GBP
View
B
Retailer 9
-
£1,992 GBP
View
B
Retailer 10
-
£2,007 GBP
View
B
Retailer 11
-
£2,107 GBP
View
B
Retailer 12
-
£2,107 GBP
View
B
Retailer 13
-
£2,121 GBP
View
B
Retailer 14
-
£2,147 GBP
View
B
Retailer 15
-
£2,182 GBP
View
Retailer 16
-
£2,273 GBP
View
Price last confirmed 30 days ago
B
Retailer 17
-
£2,457 GBP
View
B
Retailer 18
-
£2,476 GBP
View
B
Retailer 19
-
£3,544 GBP
View
Most Expensive
B
NZ Jewellers
166e8b41-5cbb-430e-9979-7f328d9c32be · Nov 5
£4,241 GBP
$5,677 USD
View
19 more retailers have this diamond
Prices start from £1,608 GBPSave up to £2,634 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
£1,608 GBP