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Heart|Natural|IGI

1.51ct L SI2 Heart Natural Diamond

VG • L/SI2 • IGI 788607862

Shape and cutting style on the report: Heart brilliant

Certificate IGI 788607862

Diamond specifications and retailer prices

From £1,275 GBP
As of November 5, 2026
Save £607 GBP (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,881 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 788607862. Listed at 6 retailers as of November 5, 2026, with prices from £1,275 to £1,881, a £607 spread on the same certified stone. Yorxs lists it at £1,881. 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

1.51
Carat
L
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.6°
Pavilion angle36.3°
OriginNatural
Grading LabIGI
CertificateIGI 788607862
Dimensions7.33 × 7.99 × 4.40 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Top View
7.33 mm7.99 mm1.51 ctL / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 788607862
Side View
Table 56.0%Crown 32.6°Girdle: MED-THKPavilion 36.3°Culet: NoneDepth 55.1%

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 5
Current: £1,487 GBP|Low: £1,275 GBP|High: £1,965 GBP|Avg: £1,545 GBP|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
November 6, 2026
Retailer 3£1,275 GBP
Retailer 2£1,414 GBP
Retailer 5£1,441 GBP
Retailer 4£1,467 GBP
Retailer 1£1,487 GBP
Retailer 6£1,715 GBP
Yorxs£1,881 GBP

18 data points across 7 retailers

6 retailers£1,275 GBP to £1,881 GBP

B+
Cheapest Retailer
-
£1,275 GBP
B+
Retailer 2
-
£1,414 GBP
View
Retailer 3
-
£1,441 GBP
View
Price last confirmed 9 days ago
B+
Retailer 4
-
£1,467 GBP
View
B+
Retailer 5
-
£1,487 GBP
View
Most Expensive
B
Yorxs
E9CCB336D · Nov 6
£1,881 GBP
€2,398 EUR
View
5 more retailers have this diamond
Prices start from £1,275 GBPSave up to £607 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+
1.51ct Heart
£1,275 GBP