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Heart|Natural|IGI

1.55ct H SI2 Heart Natural Diamond

VG • H/SI2 • IGI 777616250

Shape and cutting style on the report: Heart brilliant

Certificate IGI 777616250

Diamond specifications and retailer prices

From £1,749 GBP
₹223,208 INR
As of October 31, 2026
Save £2,248 GBP (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,997 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 777616250. Listed at 12 retailers as of October 30, 2026, with prices from £1,749 to £3,997, a £2,248 spread on the same certified stone. NZ Jewellers lists it at £3,997. 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

1.55
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle40.8°
Pavilion angle37.8°
OriginNatural
Grading LabIGI
CertificateIGI 777616250
Dimensions6.97 × 7.83 × 4.66 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Top View
6.97 mm7.83 mm1.55 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 777616250
Side View
Table 62.0%Crown 40.8°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 59.5%

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: Oct 31
Current: £3,997 GBP|Low: £1,745 GBP|High: £3,997 GBP|Avg: £2,529 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£1,749 GBP
Retailer 8£2,055 GBP
Retailer 7£2,117 GBP
Retailer 9£2,146 GBP
Retailer 4£2,194 GBP
Retailer 2£2,223 GBP
Retailer 11£2,294 GBP
Retailer 12£2,294 GBP
Retailer 10£2,382 GBP
Retailer 3£2,647 GBP
Retailer 6£3,858 GBP
NZ Jewellers£3,997 GBP

37 data points across 12 retailers

12 retailers£1,749 GBP to £3,997 GBP

A
Cheapest Retailer
-
£1,749 GBP
₹223,208 INR
B+
Retailer 2
-
£2,055 GBP
$2,753 USD
View
B+
Retailer 3
-
£2,117 GBP
$2,837 USD
View
Final sale: no returns
B+
Retailer 4
-
£2,146 GBP
$2,876 USD
View
B+
Retailer 5
-
£2,194 GBP
$2,939 USD
View
A
Retailer 6
-
£2,223 GBP
View
B+
Retailer 7
-
£2,294 GBP
$3,074 USD
View
B+
Retailer 8
-
£2,294 GBP
$3,074 USD
View
B+
Retailer 9
-
£2,382 GBP
$3,192 USD
View
B+
Retailer 10
-
£2,647 GBP
$3,547 USD
View
B+
Retailer 11
-
£3,858 GBP
View
Most Expensive
B
NZ Jewellers
8b472501-d78e-4fd5-bf8b-dadf9bce03e9 · Oct 30
£3,997 GBP
$5,356 USD
View
11 more retailers have this diamond
Prices start from £1,749 GBPSave up to £2,248 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
1.55ct Heart
£1,749 GBP