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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 7561103490

Certificate GIA 7561103490

Diamond specifications and retailer prices

From £1,023 GBP
₹130,572 INR
As of November 1, 2026
Save £2,298 GBP (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,321 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded H 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 7561103490. Listed at 16 retailers as of October 30, 2026, with prices from £1,023 to £3,321, a £2,298 spread on the same certified stone. NZ Jewellers lists it at £3,321. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561103490
Dimensions6.01 × 6.92 × 4.12 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
6.01 mm6.92 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561103490
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.6%

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 1
Current: £3,321 GBP|Low: £1,023 GBP|High: £3,519 GBP|Avg: £1,662 GBP|-5.6%
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
November 2, 2026
Retailer 8£1,023 GBP
Retailer 4£1,194 GBP
Retailer 5£1,241 GBP
Retailer 6£1,361 GBP
Retailer 12£1,361 GBP
Retailer 14£1,403 GBP
Retailer 13£1,425 GBP
Retailer 15£1,464 GBP
Retailer 3£1,508 GBP
Retailer 2£1,527 GBP
Retailer 10£1,571 GBP
Retailer 11£1,658 GBP
Retailer 7£1,883 GBP
Retailer 9£2,386 GBP
NZ Jewellers£3,321 GBP

31 data points across 15 retailers

16 retailers£1,023 GBP to £3,321 GBP

A
Cheapest Retailer
-
£1,023 GBP
₹130,572 INR
A
Retailer 2
-
£1,194 GBP
$1,600 USD
View
A
Retailer 3
-
£1,241 GBP
$1,663 USD
View
A
Retailer 4
-
£1,361 GBP
$1,824 USD
View
A
Retailer 5
-
£1,361 GBP
$1,824 USD
View
B+
Retailer 6
-
£1,403 GBP
$1,880 USD
View
B+
Retailer 7
-
£1,425 GBP
$1,909 USD
View
B+
Retailer 8
-
£1,464 GBP
$1,962 USD
View
B+
Retailer 9
-
£1,508 GBP
$2,020 USD
View
B+
Retailer 10
-
£1,527 GBP
View
B+
Retailer 11
-
£1,571 GBP
$2,105 USD
View
B+
Retailer 12
-
£1,658 GBP
ZAR 35,890 ZAR
View
Retailer 13
-
£1,883 GBP
A$3,881 AUD
View
Price last confirmed 27 days ago
Retailer 14
-
£1,900 GBP
$2,546 USD
View
Price last confirmed 56 days ago
B
Retailer 15
-
£2,386 GBP
View
Most Expensive
B
NZ Jewellers
523e193e-fbe9-4f1d-8f8b-e8c442ae5d97 · Oct 30
£3,321 GBP
$4,450 USD
View
15 more retailers have this diamond
Prices start from £1,023 GBPSave up to £2,298 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
£1,023 GBP