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Heart|Natural|IGI

1.00ct J VS1 Heart Natural Diamond

GD • J/VS1 • IGI 811689390

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI 811689390

Diamond specifications and retailer prices

From £1,012 GBP
As of November 4, 2026
Save £1,662 GBP (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,675 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI 811689390. Listed at 15 retailers as of November 4, 2026, with prices from £1,012 to £2,675, a £1,662 spread on the same certified stone. NZ Jewellers lists it at £2,675. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
J
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle32.8°
OriginNatural
Grading LabIGI
CertificateIGI 811689390
Dimensions5.87 × 6.05 × 3.86 mm
L/W Ratio1.03
Girdle conditionFaceted
Top View
5.87 mm6.05 mm1.00 ctJ / VS1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811689390
Side View
Table 60.0%Crown 35.9°Girdle: THK-ETKPavilion 32.8°Culet: NoneDepth 63.8%

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: £2,675 GBP|Low: £1,012 GBP|High: £2,675 GBP|Avg: £1,468 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
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 15£1,012 GBP
Retailer 13£1,016 GBP
Retailer 2£1,042 GBP
Retailer 3£1,097 GBP
Retailer 5£1,097 GBP
Retailer 7£1,100 GBP
Retailer 4£1,148 GBP
Retailer 12£1,169 GBP
Retailer 14£1,198 GBP
Retailer 9£1,231 GBP
Retailer 11£1,266 GBP
Retailer 10£1,338 GBP
Retailer 8£1,518 GBP
Retailer 6£1,931 GBP
NZ Jewellers£2,675 GBP

42 data points across 15 retailers

15 retailers£1,012 GBP to £2,675 GBP

B+
Cheapest Retailer
-
£1,012 GBP
Final sale: no returns
B+
Retailer 2
-
£1,016 GBP
View
A
Retailer 3
-
£1,042 GBP
View
B+
Retailer 4
-
£1,097 GBP
View
Retailer 5
-
£1,097 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,100 GBP
View
B+
Retailer 7
-
£1,148 GBP
View
B+
Retailer 8
-
£1,169 GBP
View
B+
Retailer 9
-
£1,198 GBP
View
B+
Retailer 10
-
£1,231 GBP
View
B+
Retailer 11
-
£1,266 GBP
View
B+
Retailer 12
-
£1,338 GBP
View
B+
Retailer 13
-
£1,518 GBP
View
Retailer 14
-
£1,931 GBP
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
3f3a0364-7cc6-4e1d-a7f0-77af122d8d8b · Nov 5
£2,675 GBP
$3,580 USD
View
14 more retailers have this diamond
Prices start from £1,012 GBPSave up to £1,662 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
£1,012 GBP