Emerald|Lab Grown|IGI

1.31ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG550230509

Shape and cutting style on the report: Emerald cut

Certificate IGI LG550230509

Diamond specifications and retailer prices

From $251 AUD
$176 USD
As of October 30, 2026
Save $1,629 AUD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,879 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.31ct lab-grown emerald diamond

This 1.31ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG550230509 or 550230509. Listed at 18 retailers as of October 29, 2026, with prices from $251 to $1,879, a $1,629 spread on the same certified stone. Do Amore Diamonds lists it at $1,879. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.31
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.8°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550230509
Dimensions7.61 × 5.09 × 3.41 mm
L/W Ratio1.50
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.61 mm5.09 mm1.31 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550230509
Side View
Table 63.5%Crown 29.8°Girdle: MediumPavilion 41.7°Culet: LNGDepth 67.0%

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 30
Current: $1,879 AUD|Low: $199 AUD|High: $2,007 AUD|Avg: $986 AUD|-0.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 9$251 AUD
Retailer 19$279 AUD
Retailer 15$290 AUD
Retailer 6$310 AUD
Retailer 13$310 AUD
Retailer 17$419 AUD
Retailer 2$625 AUD
Retailer 4$689 AUD
Retailer 7$776 AUD
Retailer 14$940 AUD
Retailer 18$947 AUD
Retailer 5$1,102 AUD
Retailer 10$1,153 AUD
Retailer 3$1,253 AUD
Retailer 11$1,265 AUD
Retailer 8$1,348 AUD
Retailer 16$1,592 AUD
Retailer 12$1,604 AUD
Do Amore Diamonds$1,879 AUD

41 data points across 19 retailers

18 retailers$251 AUD to $1,879 AUD

A
Cheapest Retailer
-
$251 AUD
$176 USD
A
Retailer 2
-
$279 AUD
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$290 AUD
$204 USD
View
A
Retailer 4
-
$310 AUD
$218 USD
View
A
Retailer 5
-
$310 AUD
$218 USD
View
B+
Retailer 6
-
$419 AUD
$294 USD
View
A
Retailer 7
-
$625 AUD
£346 GBP
View
B+
Retailer 8
-
$689 AUD
$484 USD
View
B+
Retailer 9
-
$776 AUD
$545 USD
View
B+
Retailer 10
-
$940 AUD
$660 USD
View
B+
Retailer 11
-
$947 AUD
CA$924 CAD
View
B
Retailer 12
-
$1,102 AUD
$774 USD
View
B
Retailer 13
-
$1,153 AUD
$810 USD
View
B
Retailer 14
-
$1,253 AUD
$880 USD
View
B
Retailer 15
-
$1,348 AUD
$947 USD
View
B
Retailer 16
-
$1,592 AUD
$1,118 USD
View
B
Retailer 17
-
$1,604 AUD
£887 GBP
View
Most Expensive
B
Do Amore Diamonds
25-121080-009 · Oct 29
$1,879 AUD
$1,320 USD
View
17 more retailers have this diamond
Prices start from $251 AUDSave up to $1,629 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
1.31ct Emerald
$251 AUD