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Emerald|Lab Grown|IGI

1.31ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG691518786

Shape and cutting style on the report: Emerald cut

Certificate IGI LG691518786

Diamond specifications and retailer prices

From $327 AUD
$230 USD
As of October 30, 2026
Save $2,349 AUD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,676 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG691518786 or 691518786. Listed at 22 retailers as of October 30, 2026, with prices from $327 to $2,676, a $2,349 spread on the same certified stone. Brilliant Earth lists it at $2,676. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691518786
Dimensions7.46 × 5.18 × 3.50 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm5.18 mm1.31 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691518786
Side View
Table 63.0%Crown 30.5°Girdle: Slightly ThickPavilion 40.8°Culet: LargeDepth 67.6%

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: $2,676 AUD|Low: $259 AUD|High: $3,146 AUD|Avg: $1,063 AUD|-14.9%
Brilliant Earth
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
Retailer 20
Retailer 21
October 31, 2026
Retailer 3$327 AUD
Retailer 10$364 AUD
Retailer 7$379 AUD
Retailer 4$406 AUD
Retailer 6$406 AUD
Retailer 21$548 AUD
Retailer 13$677 AUD
Retailer 16$697 AUD
Retailer 8$753 AUD
Retailer 2$758 AUD
Retailer 17$989 AUD
Retailer 9$1,032 AUD
Retailer 11$1,277 AUD
Retailer 5$1,304 AUD
Retailer 20$1,308 AUD
Retailer 14$1,378 AUD
Retailer 15$1,456 AUD
Retailer 18$1,627 AUD
Retailer 12$1,834 AUD
Retailer 19$2,634 AUD
Brilliant Earth$2,676 AUD

46 data points across 21 retailers

22 retailers$327 AUD to $2,676 AUD

A
Cheapest Retailer
-
$327 AUD
$230 USD
A
Retailer 2
-
$364 AUD
$256 USD
View
Final sale: no returns
A
Retailer 3
-
$379 AUD
$266 USD
View
A
Retailer 4
-
$406 AUD
$285 USD
View
A
Retailer 5
-
$406 AUD
$285 USD
View
B+
Retailer 6
-
$548 AUD
$385 USD
View
A
Retailer 7
-
$677 AUD
€453 EUR
View
A
Retailer 8
-
$697 AUD
ZAR 7,907 ZAR
View
A
Retailer 9
-
$753 AUD
$529 USD
View
A
Retailer 10
-
$758 AUD
£420 GBP
View
A
Retailer 11
-
$989 AUD
View
B+
Retailer 12
-
$1,053 AUD
$740 USD
View
B+
Retailer 13
-
$1,277 AUD
$897 USD
View
B+
Retailer 14
-
$1,304 AUD
$916 USD
View
B+
Retailer 15
-
$1,308 AUD
$919 USD
View
B+
Retailer 16
-
$1,378 AUD
$968 USD
View
B+
Retailer 17
-
$1,456 AUD
View
B+
Retailer 18
-
$1,584 AUD
£876 GBP
View
B+
Retailer 19
-
$1,627 AUD
£900 GBP
View
B
Retailer 20
-
$1,834 AUD
$1,289 USD
View
B
Retailer 21
-
$2,634 AUD
$1,850 USD
View
Most Expensive
B
Brilliant Earth
13874230A · Oct 30
$2,676 AUD
$1,880 USD
View
21 more retailers have this diamond
Prices start from $327 AUDSave up to $2,349 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
$327 AUD