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Heart|Natural|GIA

1.01ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 6521860199

Certificate GIA 6521860199

Diamond specifications and retailer prices

From £1,223 GBP
As of November 4, 2026
Save £2,107 GBP (63%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,330 GBP at NZ Jewellers · As of November 3, 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 G 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 6521860199. Listed at 22 retailers as of November 3, 2026, with prices from £1,223 to £3,330, a £2,107 spread on the same certified stone. NZ Jewellers lists it at £3,330. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6521860199
Dimensions7.14 × 6.31 × 4.04 mm
L/W Ratio1.13
Top View
7.14 mm6.31 mm1.01 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521860199
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,330 GBP|Low: £1,223 GBP|High: £3,351 GBP|Avg: £1,939 GBP|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 4£1,223 GBP
Retailer 13£1,291 GBP
Retailer 6£1,470 GBP
Retailer 14£1,511 GBP
Retailer 2£1,517 GBP
Retailer 12£1,550 GBP
Retailer 15£1,593 GBP
Retailer 9£1,603 GBP
Retailer 16£1,666 GBP
Retailer 17£1,667 GBP
Retailer 5£1,696 GBP
Retailer 10£1,730 GBP
Retailer 3£1,838 GBP
Retailer 7£1,970 GBP
Retailer 11£2,782 GBP
Retailer 8£3,311 GBP
NZ Jewellers£3,330 GBP

24 data points across 17 retailers

22 retailers£1,223 GBP to £3,330 GBP

A
Cheapest Retailer
-
£1,223 GBP
A
Retailer 2
-
£1,291 GBP
View
A
Retailer 3
-
£1,470 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,511 GBP
View
B+
Retailer 5
-
£1,517 GBP
View
B+
Retailer 6
-
£1,543 GBP
View
B+
Retailer 7
-
£1,544 GBP
View
A
Retailer 8
-
£1,550 GBP
View
B+
Retailer 9
-
£1,593 GBP
View
B+
Retailer 10
-
£1,603 GBP
View
B+
Retailer 11
-
£1,666 GBP
View
B+
Retailer 12
-
£1,667 GBP
View
B+
Retailer 13
-
£1,670 GBP
View
B+
Retailer 14
-
£1,696 GBP
View
Retailer 15
-
£1,708 GBP
View
Price last confirmed 9 days ago
B+
Retailer 16
-
£1,730 GBP
View
B+
Retailer 17
-
£1,838 GBP
View
B+
Retailer 18
-
£1,970 GBP
View
Retailer 19
-
£1,984 GBP
View
Price last confirmed 30 days ago
B
Retailer 20
-
£2,782 GBP
View
Retailer 21
-
£3,311 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
eec1e0d1-f89a-40d5-9aa3-f018493063e8 · Nov 3
£3,330 GBP
$4,495 USD
View
21 more retailers have this diamond
Prices start from £1,223 GBPSave up to £2,107 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
£1,223 GBP