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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 $3,828 AUD
$2,683 USD
As of October 31, 2026
Save $3,304 AUD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,132 AUD at Helzberg Diamonds · As of November 3, 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 $3,828 to $7,132, a $3,304 spread on the same certified stone. Helzberg Diamonds lists it at $7,132. 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

1.51
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: $7,132 AUD|Low: $3,828 AUD|High: $7,280 AUD|Avg: $5,206 AUD|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 8$3,828 AUD
Retailer 6$3,899 AUD
Retailer 7$4,127 AUD
Retailer 5$4,195 AUD
Retailer 3$4,970 AUD
Retailer 4$5,099 AUD
Retailer 2$7,034 AUD
Helzberg Diamonds$7,132 AUD

18 data points across 8 retailers

8 retailers$3,828 AUD to $7,132 AUD

A
Cheapest Retailer
-
$3,828 AUD
$2,683 USD
Retailer 2
-
$3,899 AUD
SGD 3,693 SGD
View
Price last confirmed 10 days ago
Retailer 3
-
$4,127 AUD
$2,892 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$4,195 AUD
$2,940 USD
View
B+
Retailer 5
-
$4,970 AUD
$3,483 USD
View
A
Retailer 6
-
$5,099 AUD
€3,403 EUR
View
B+
Retailer 7
-
$7,034 AUD
$4,930 USD
View
Most Expensive
B+
Helzberg Diamonds
ZXZOJGMLIPPI · Nov 3
$7,132 AUD
$4,998 USD
View
7 more retailers have this diamond
Prices start from $3,828 AUDSave up to $3,304 AUD

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
$3,828 AUD