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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 $408 NZD
$230 USD
As of October 30, 2026
Save $2,928 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,336 NZD 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 $408 to $3,336, a $2,928 spread on the same certified stone. Brilliant Earth lists it at $3,336. 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: $3,336 NZD|Low: $323 NZD|High: $3,921 NZD|Avg: $1,325 NZD|-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$408 NZD
Retailer 10$454 NZD
Retailer 7$472 NZD
Retailer 4$506 NZD
Retailer 6$506 NZD
Retailer 21$683 NZD
Retailer 13$844 NZD
Retailer 16$868 NZD
Retailer 8$939 NZD
Retailer 2$945 NZD
Retailer 17$1,233 NZD
Retailer 9$1,286 NZD
Retailer 11$1,592 NZD
Retailer 5$1,625 NZD
Retailer 20$1,631 NZD
Retailer 14$1,718 NZD
Retailer 15$1,814 NZD
Retailer 18$2,028 NZD
Retailer 12$2,286 NZD
Retailer 19$3,282 NZD
Brilliant Earth$3,336 NZD

46 data points across 21 retailers

22 retailers$408 NZD to $3,336 NZD

A
Cheapest Retailer
-
$408 NZD
$230 USD
A
Retailer 2
-
$454 NZD
$256 USD
View
Final sale: no returns
A
Retailer 3
-
$472 NZD
$266 USD
View
A
Retailer 4
-
$506 NZD
$285 USD
View
A
Retailer 5
-
$506 NZD
$285 USD
View
B+
Retailer 6
-
$683 NZD
$385 USD
View
A
Retailer 7
-
$844 NZD
€453 EUR
View
A
Retailer 8
-
$868 NZD
ZAR 7,907 ZAR
View
A
Retailer 9
-
$939 NZD
$529 USD
View
A
Retailer 10
-
$945 NZD
£420 GBP
View
A
Retailer 11
-
$1,233 NZD
A$1,069 AUD
View
B+
Retailer 12
-
$1,313 NZD
$740 USD
View
B+
Retailer 13
-
$1,592 NZD
$897 USD
View
B+
Retailer 14
-
$1,625 NZD
$916 USD
View
B+
Retailer 15
-
$1,631 NZD
$919 USD
View
B+
Retailer 16
-
$1,718 NZD
$968 USD
View
B+
Retailer 17
-
$1,814 NZD
A$1,573 AUD
View
B+
Retailer 18
-
$1,974 NZD
£876 GBP
View
B+
Retailer 19
-
$2,028 NZD
£900 GBP
View
B
Retailer 20
-
$2,286 NZD
$1,289 USD
View
B
Retailer 21
-
$3,282 NZD
$1,850 USD
View
Most Expensive
B
Brilliant Earth
13874230A · Oct 30
$3,336 NZD
$1,880 USD
View
21 more retailers have this diamond
Prices start from $408 NZDSave up to $2,928 NZD

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
$408 NZD