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Emerald|Natural|IGI

1.51ct G SI2 Emerald Natural Diamond

VG • G/SI2 • IGI 830652992

Shape and cutting style on the report: Emerald cut

Certificate IGI 830652992

Diamond specifications and retailer prices

From £1,999 GBP
$2,683 USD
As of October 31, 2026
Save £1,803 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,802 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.51ct natural emerald diamond

This 1.51ct natural emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 830652992. Listed at 8 retailers as of October 31, 2026, with prices from £1,999 to £3,802, a £1,803 spread on the same certified stone. Helzberg Diamonds lists it at £3,802. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 830652992
Dimensions7.72 × 5.55 × 3.70 mm
L/W Ratio1.39
Culet sizeLarge
Top View
7.72 mm5.55 mm1.51 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830652992
Side View
Table 69.0%Crown 33.9°Girdle: THN-MEDPavilion 40.9°Culet: LargeDepth 66.7%

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: Oct 31
Current: £3,802 GBP|Low: £1,999 GBP|High: £3,802 GBP|Avg: £2,725 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8£1,999 GBP
Retailer 4£2,036 GBP
Retailer 5£2,155 GBP
Retailer 3£2,191 GBP
Retailer 7£2,642 GBP
Retailer 2£2,663 GBP
Retailer 6£3,743 GBP
Helzberg Diamonds£3,802 GBP

17 data points across 8 retailers

8 retailers£1,999 GBP to £3,802 GBP

A
Cheapest Retailer
-
£1,999 GBP
$2,683 USD
Retailer 2
-
£2,036 GBP
SGD 3,693 SGD
View
Price last confirmed 9 days ago
Retailer 3
-
£2,155 GBP
$2,892 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
£2,191 GBP
$2,940 USD
View
B+
Retailer 5
-
£2,642 GBP
$3,545 USD
View
A
Retailer 6
-
£2,663 GBP
€3,403 EUR
View
Retailer 7
-
£3,743 GBP
$5,023 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
Helzberg Diamonds
ZXZOJGMLIPPI · Nov 1
£3,802 GBP
$5,102 USD
View
7 more retailers have this diamond
Prices start from £1,999 GBPSave up to £1,803 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
£1,999 GBP