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Emerald|Lab Grown|IGI

4.12ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG768640871

Shape and cutting style on the report: Emerald cut

Certificate IGI LG768640871

Diamond specifications and retailer prices

From $3,314 AUD
$2,328 USD
As of October 29, 2026
Save $15,719 AUD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $19,034 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.12ct lab-grown emerald diamond

This 4.12ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768640871 or 768640871. Listed at 24 retailers as of October 29, 2026, with prices from $3,314 to $19,034, a $15,719 spread on the same certified stone. Brilliant Earth lists it at $19,034. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.12
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768640871
Dimensions7.48 × 7.48 × 5.08 mm
L/W Ratio1.00
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.48 mm4.12 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768640871
Side View
Table 65.0%Crown 33.8°Girdle: MED-STKPavilion 40.5°Culet: LargeDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $19,034 AUD|Low: $2,843 AUD|High: $20,685 AUD|Avg: $6,539 AUD|-8.0%
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
October 30, 2026
Retailer 7$2,843 AUD
Retailer 10$3,222 AUD
Retailer 15$3,314 AUD
Retailer 6$3,435 AUD
Retailer 8$3,435 AUD
Retailer 11$3,671 AUD
Retailer 17$3,673 AUD
Retailer 9$4,722 AUD
Retailer 2$4,726 AUD
Retailer 4$4,911 AUD
Retailer 18$5,021 AUD
Retailer 13$5,448 AUD
Retailer 12$7,311 AUD
Retailer 16$7,371 AUD
Retailer 5$8,866 AUD
Retailer 14$9,369 AUD
Retailer 19$9,659 AUD
Retailer 3$16,805 AUD
Brilliant Earth$19,034 AUD

37 data points across 19 retailers

24 retailers$3,314 AUD to $19,034 AUD

Retailer 1
-
$2,843 AUD
$1,997 USD
Price last confirmed 28 days ago
Retailer 2
-
$3,222 AUD
$2,263 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$3,314 AUD
$2,328 USD
View
Final sale: no returns
Retailer 4
-
$3,435 AUD
$2,413 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$3,671 AUD
$2,579 USD
View
A
Retailer 6
-
$3,673 AUD
$2,580 USD
View
Retailer 7
-
$4,722 AUD
$3,317 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$4,726 AUD
£2,614 GBP
View
A
Retailer 9
-
$4,911 AUD
$3,450 USD
View
A
Retailer 10
-
$5,021 AUD
$3,527 USD
View
A
Retailer 11
-
$5,448 AUD
€3,645 EUR
View
Retailer 12
-
$5,640 AUD
$3,962 USD
View
Price last confirmed 44 days ago
A
Retailer 13
-
$6,509 AUD
£3,600 GBP
View
A
Retailer 14
-
$7,311 AUD
ZAR 82,971 ZAR
View
Retailer 15
-
$7,371 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
-
$7,976 AUD
$5,603 USD
View
A
Retailer 17
-
$8,866 AUD
$6,228 USD
View
A
Retailer 18
-
$9,253 AUD
$6,500 USD
View
A
Retailer 19
-
$9,369 AUD
£5,182 GBP
View
Retailer 20
-
$9,659 AUD
$6,785 USD
View
Price last confirmed 16 days ago
A
Retailer 21
-
$9,763 AUD
$6,858 USD
View
B+
Retailer 22
-
$12,014 AUD
$8,439 USD
View
Retailer 23
-
$16,805 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
18433663A · Oct 30
$19,034 AUD
$13,370 USD
View
23 more retailers have this diamond
Prices start from $3,314 AUDSave up to $15,719 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
4.12ct Emerald
$3,314 AUD