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Heart|Natural|IGI

1.70ct K SI2 Heart Natural Diamond

VG • K/SI2 • IGI 700528984

Shape and cutting style on the report: Heart brilliant

Certificate IGI 700528984

Diamond specifications and retailer prices

From £2,226 GBP
As of November 4, 2026
Save £2,143 GBP (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,368 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 700528984. Listed at 12 retailers as of November 4, 2026, with prices from £2,226 to £4,368, a £2,143 spread on the same certified stone. NZ Jewellers lists it at £4,368. 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

1.70
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle43.6°
OriginNatural
Grading LabIGI
CertificateIGI 700528984
Dimensions7.31 × 8.03 × 4.90 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
7.31 mm8.03 mm1.70 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 700528984
Side View
Table 64.0%Crown 35.8°Girdle: MED-VTKPavilion 43.6°Culet: NoneDepth 61.0%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £2,919 GBP|Low: £1,477 GBP|High: £4,244 GBP|Avg: £2,654 GBP|+9.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£1,477 GBP
Retailer 6£2,226 GBP
Retailer 5£2,299 GBP
Retailer 4£2,398 GBP
Retailer 8£2,507 GBP
Retailer 10£2,615 GBP
Retailer 7£2,893 GBP
Retailer 1£2,919 GBP
Retailer 9£2,983 GBP
Retailer 3£4,182 GBP

26 data points across 10 retailers

12 retailers£2,226 GBP to £4,368 GBP

B+
Cheapest Retailer
-
£2,226 GBP
B+
Retailer 2
-
£2,299 GBP
View
B+
Retailer 3
-
£2,398 GBP
View
Retailer 4
-
£2,507 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£2,507 GBP
View
B+
Retailer 6
-
£2,604 GBP
View
B+
Retailer 7
-
£2,615 GBP
View
Retailer 8
-
£2,893 GBP
View
Price last confirmed 61 days ago
B+
Retailer 9
-
£2,893 GBP
View
B+
Retailer 10
-
£2,919 GBP
View
B
Retailer 11
-
£4,182 GBP
View
Most Expensive
B
NZ Jewellers
652b5ffe-1b3b-4d69-ad42-2abb83dbdb12 · Nov 5
£4,368 GBP
$5,847 USD
View
11 more retailers have this diamond
Prices start from £2,226 GBPSave up to £2,143 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+
1.70ct Heart
£2,226 GBP