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Emerald|Natural|IGI

1.00ct F SI2 Emerald Natural Diamond

VG • F/SI2 • IGI 845619261

Shape and cutting style on the report: Emerald cut

Certificate IGI 845619261

Diamond specifications and retailer prices

From £1,053 GBP
As of November 5, 2026
Save £844 GBP (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,897 GBP at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 1ct natural emerald diamond

This 1ct natural emerald sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 845619261. Listed at 7 retailers as of November 3, 2026, with prices from £1,053 to £1,897, a £844 spread on the same certified stone. Helzberg Diamonds lists it at £1,897. 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

1.00
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.4°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 845619261
Dimensions6.99 × 4.71 × 3.10 mm
L/W Ratio1.48
Culet sizeLarge
Top View
6.99 mm4.71 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 845619261
Side View
Table 71.0%Crown 29.4°Girdle: MED-STKPavilion 40.5°Culet: LargeDepth 65.8%

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: Nov 5
Current: £1,897 GBP|Low: £1,051 GBP|High: £1,897 GBP|Avg: £1,429 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2£1,053 GBP
Retailer 5£1,059 GBP
Retailer 4£1,077 GBP
Retailer 3£1,085 GBP
Retailer 7£1,438 GBP
Retailer 6£1,774 GBP
Helzberg Diamonds£1,897 GBP

7 data points across 7 retailers

7 retailers£1,053 GBP to £1,897 GBP

A
Cheapest Retailer
-
£1,053 GBP
A
Retailer 2
-
£1,059 GBP
View
A
Retailer 3
-
£1,077 GBP
View
A
Retailer 4
-
£1,085 GBP
View
B+
Retailer 5
-
£1,438 GBP
View
B+
Retailer 6
-
£1,774 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKLMHPIMH · Nov 3
£1,897 GBP
$2,553 USD
View
6 more retailers have this diamond
Prices start from £1,053 GBPSave up to £844 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
1.00ct Emerald
£1,053 GBP