Heart|Natural|GIA

1.01ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5191662130

Certificate GIA 5191662130

Diamond specifications and retailer prices

From £855 GBP
₹109,111 INR
As of November 1, 2026
Save £1,921 GBP (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,776 GBP at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5191662130. Listed at 19 retailers as of October 30, 2026, with prices from £855 to £2,776, a £1,921 spread on the same certified stone. NZ Jewellers lists it at £2,776. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5191662130
Dimensions5.79 × 6.90 × 4.00 mm
L/W Ratio1.19
Top View
5.79 mm6.90 mm1.01 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5191662130
Side View
Table 59.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 57.9%

Caratlytics Score

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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 1
Current: £2,776 GBP|Low: £853 GBP|High: £2,776 GBP|Avg: £1,365 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 2, 2026
Retailer 5£855 GBP
Retailer 9£1,051 GBP
Retailer 10£1,055 GBP
Retailer 11£1,067 GBP
Retailer 6£1,125 GBP
Retailer 3£1,138 GBP
Retailer 8£1,138 GBP
Retailer 12£1,190 GBP
Retailer 2£1,270 GBP
Retailer 4£1,314 GBP
Retailer 7£1,994 GBP
NZ Jewellers£2,776 GBP

38 data points across 12 retailers

19 retailers£855 GBP to £2,776 GBP

A
Cheapest Retailer
-
£855 GBP
₹109,111 INR
B+
Retailer 2
-
£1,051 GBP
$1,408 USD
View
Final sale: no returns
A
Retailer 3
-
£1,055 GBP
$1,414 USD
View
A
Retailer 4
-
£1,067 GBP
$1,430 USD
View
A
Retailer 5
-
£1,125 GBP
View
A
Retailer 6
-
£1,128 GBP
$1,512 USD
View
Retailer 7
-
£1,138 GBP
$1,525 USD
View
Price last confirmed 48 days ago
Retailer 8
-
£1,138 GBP
$1,525 USD
View
Price last confirmed 40 days ago
A
Retailer 9
-
£1,138 GBP
$1,525 USD
View
A
Retailer 10
-
£1,138 GBP
$1,525 USD
View
A
Retailer 11
-
£1,190 GBP
$1,595 USD
View
B+
Retailer 12
-
£1,240 GBP
$1,661 USD
View
B+
Retailer 13
-
£1,270 GBP
View
Retailer 14
-
£1,314 GBP
$1,760 USD
View
Price last confirmed 56 days ago
Retailer 15
-
£1,314 GBP
$1,760 USD
View
Price last confirmed 38 days ago
B+
Retailer 16
-
£1,314 GBP
$1,760 USD
View
B
Retailer 17
-
£1,994 GBP
View
Retailer 18
-
£2,776 GBP
$3,720 USD
View
Price last confirmed 37 days ago
Most Expensive
B
NZ Jewellers
0d2cbaaa-4d7a-4eb2-aec8-e83798a70f62 · Oct 30
£2,776 GBP
$3,720 USD
View
18 more retailers have this diamond
Prices start from £855 GBPSave up to £1,921 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
1.01ct Heart
£855 GBP