Emerald|Natural|IGI

1.20ct H SI1 Emerald Natural Diamond

VG • H/SI1 • IGI 830653240

Shape and cutting style on the report: Emerald cut

Certificate IGI 830653240

Diamond specifications and retailer prices

From £1,625 GBP
SGD 2,943 SGD
As of October 31, 2026
Save £1,538 GBP (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,163 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.2ct natural emerald diamond

This 1.2ct natural emerald sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 830653240. Listed at 10 retailers as of October 31, 2026, with prices from £1,625 to £3,163, a £1,538 spread on the same certified stone. Helzberg Diamonds lists it at £3,163. 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

1.20
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 830653240
Dimensions7.14 × 5.10 × 3.39 mm
L/W Ratio1.40
Culet sizeLarge
Top View
7.14 mm5.10 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830653240
Side View
Table 70.0%Crown 31.4°Girdle: MediumPavilion 40.9°Culet: LargeDepth 66.5%

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: Oct 31
Current: £3,163 GBP|Low: £1,735 GBP|High: £3,163 GBP|Avg: £2,211 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9£1,735 GBP
Retailer 4£1,765 GBP
Retailer 6£1,765 GBP
Retailer 2£1,944 GBP
Retailer 7£2,090 GBP
Retailer 8£2,177 GBP
Retailer 3£2,278 GBP
Retailer 5£2,908 GBP
Helzberg Diamonds£3,163 GBP

26 data points across 9 retailers

10 retailers£1,625 GBP to £3,163 GBP

B+
Cheapest Retailer
-
£1,625 GBP
SGD 2,943 SGD
B+
Retailer 2
-
£1,735 GBP
$2,325 USD
View
B+
Retailer 3
-
£1,765 GBP
$2,365 USD
View
B+
Retailer 4
-
£1,765 GBP
$2,365 USD
View
B+
Retailer 5
-
£1,944 GBP
View
B
Retailer 6
-
£2,090 GBP
$2,800 USD
View
B
Retailer 7
-
£2,177 GBP
$2,917 USD
View
B
Retailer 8
-
£2,278 GBP
€2,907 EUR
View
B
Retailer 9
-
£2,908 GBP
$3,897 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMLJIKG · Nov 1
£3,163 GBP
$4,238 USD
View
9 more retailers have this diamond
Prices start from £1,625 GBPSave up to £1,538 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+
1.20ct Emerald
£1,625 GBP