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Emerald|Natural|IGI

1.51ct L SI1 Emerald Natural Diamond

VG • L/SI1 • IGI 816643920

Shape and cutting style on the report: Emerald cut

Certificate IGI 816643920

Diamond specifications and retailer prices

From £1,176 GBP
As of November 5, 2026
Save £785 GBP (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,961 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural emerald diamond

This 1.51ct natural emerald sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 816643920. Listed at 5 retailers as of November 5, 2026, with prices from £1,176 to £1,961, a £785 spread on the same certified stone. Yorxs lists it at £1,961. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle47.7°
OriginNatural
Grading LabIGI
CertificateIGI 816643920
Dimensions7.96 × 5.35 × 3.71 mm
L/W Ratio1.49
Culet sizeLarge
Top View
7.96 mm5.35 mm1.51 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816643920
Side View
Table 72.0%Crown 35.7°Girdle: MediumPavilion 47.7°Culet: LargeDepth 69.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,176 GBP|Low: £1,176 GBP|High: £1,968 GBP|Avg: £1,539 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 1£1,176 GBP
Retailer 3£1,367 GBP
Retailer 2£1,615 GBP
Yorxs£1,961 GBP

46 data points across 4 retailers

5 retailers£1,176 GBP to £1,961 GBP

A
Cheapest Retailer
-
£1,176 GBP
B+
Retailer 2
-
£1,367 GBP
View
B+
Retailer 3
-
£1,425 GBP
View
B+
Retailer 4
-
£1,615 GBP
View
Most Expensive
B
Yorxs
NDR160201A · Nov 6
£1,961 GBP
€2,514 EUR
View
4 more retailers have this diamond
Prices start from £1,176 GBPSave up to £785 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
1.51ct Emerald
£1,176 GBP