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Emerald|Natural|IGI

1.70ct L SI1 Emerald Natural Diamond

VG • L/SI1 • IGI 660411318

Shape and cutting style on the report: Emerald cut

Certificate IGI 660411318

Diamond specifications and retailer prices

From £1,770 GBP
As of November 4, 2026
Save £2,362 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,132 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural emerald diamond

This 1.7ct 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 660411318. Listed at 12 retailers as of November 4, 2026, with prices from £1,770 to £4,132, a £2,362 spread on the same certified stone. NZ Jewellers lists it at £4,132. 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
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.8°
Pavilion angle39.3°
OriginNatural
Grading LabIGI
CertificateIGI 660411318
Dimensions8.33 × 5.43 × 3.63 mm
L/W Ratio1.53
Culet sizeLong
Top View
8.33 mm5.43 mm1.70 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 660411318
Side View
Table 65.0%Crown 40.8°Girdle: MED-STKPavilion 39.3°Culet: LNGDepth 66.9%

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: £4,132 GBP|Low: £1,415 GBP|High: £4,132 GBP|Avg: £2,187 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
November 6, 2026
Retailer 5£1,415 GBP
Retailer 10£1,770 GBP
Retailer 9£1,853 GBP
Retailer 4£1,950 GBP
Retailer 11£1,976 GBP
Retailer 13£1,976 GBP
Retailer 7£2,052 GBP
Retailer 3£2,080 GBP
Retailer 8£2,082 GBP
Retailer 12£2,280 GBP
Retailer 6£2,412 GBP
Retailer 2£2,454 GBP
NZ Jewellers£4,132 GBP

26 data points across 13 retailers

12 retailers£1,770 GBP to £4,132 GBP

B+
Cheapest Retailer
-
£1,770 GBP
B+
Retailer 2
-
£1,853 GBP
View
B+
Retailer 3
-
£1,950 GBP
View
Retailer 4
-
£1,976 GBP
View
Price last confirmed 21 days ago
B+
Retailer 5
-
£1,976 GBP
View
B+
Retailer 6
-
£2,052 GBP
View
B+
Retailer 7
-
£2,080 GBP
View
B+
Retailer 8
-
£2,082 GBP
View
B
Retailer 9
-
£2,280 GBP
View
B
Retailer 10
-
£2,412 GBP
View
B
Retailer 11
-
£2,454 GBP
View
Most Expensive
C
NZ Jewellers
100eac60-3a3f-46e1-8ec5-07b23490004b · Nov 5
£4,132 GBP
$5,561 USD
View
11 more retailers have this diamond
Prices start from £1,770 GBPSave up to £2,362 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 Emerald
£1,770 GBP