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Emerald|Lab Grown|IGI

4.05ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG778649089

Shape and cutting style on the report: Emerald cut

Certificate IGI LG778649089

Diamond specifications and retailer prices

From $2,772 AUD
$1,947 USD
As of October 30, 2026
Save $9,215 AUD (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $16,520 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4.05ct lab-grown emerald diamond

This 4.05ct 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 LG778649089 or 778649089. Listed at 26 retailers as of October 30, 2026, with a 332% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778649089
Dimensions11.70 × 7.05 × 4.63 mm
L/W Ratio1.66
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.70 mm7.05 mm4.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778649089
Side View
Table 63.0%Crown 39.7°Girdle: Slightly ThickPavilion 37.2°Culet: LargeDepth 65.7%

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 30
Current: $16,520 AUD|Low: $2,661 AUD|High: $16,561 AUD|Avg: $6,629 AUD|+1.2%
Novita Diamonds
Retailer 2
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Retailer 24
October 30, 2026
Retailer 4$2,772 AUD
Retailer 12$3,017 AUD
Retailer 14$3,103 AUD
Retailer 5$3,216 AUD
Retailer 9$3,216 AUD
Retailer 21$3,452 AUD
Retailer 7$3,469 AUD
Retailer 15$3,717 AUD
Retailer 6$4,420 AUD
Retailer 13$4,423 AUD
Retailer 22$4,598 AUD
Retailer 3$4,815 AUD
Retailer 19$5,096 AUD
Retailer 10$6,096 AUD
Retailer 18$6,845 AUD
Retailer 23$6,901 AUD
Retailer 11$7,679 AUD
Retailer 24$8,720 AUD
Retailer 8$9,189 AUD
Retailer 20$9,233 AUD
Retailer 16$10,739 AUD
Retailer 17$11,258 AUD
Retailer 2$11,987 AUD
Novita Diamonds$16,520 AUD

32 data points across 24 retailers

26 retailers$2,772 AUD to $11,987 AUD

A
Cheapest Retailer
-
$2,772 AUD
$1,947 USD
A
Retailer 2
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$3,017 AUD
$2,119 USD
View
A
Retailer 3
-
$3,103 AUD
$2,180 USD
View
Final sale: no returns
A
Retailer 4
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$3,216 AUD
$2,259 USD
View
Retailer 5
-
$3,216 AUD
$2,259 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$3,452 AUD
$2,425 USD
View
A
Retailer 7
-
$3,469 AUD
$2,437 USD
View
A
Retailer 8
-
$3,717 AUD
HK$20,400 HKD
View
A
Retailer 9
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$4,420 AUD
$3,105 USD
View
A
Retailer 10
-
$4,423 AUD
£2,446 GBP
View
A
Retailer 11
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$4,598 AUD
$3,230 USD
View
A
Retailer 12
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$4,815 AUD
$3,382 USD
View
A
Retailer 13
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$5,096 AUD
€3,409 EUR
View
A
Retailer 14
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$6,096 AUD
£3,372 GBP
View
A
Retailer 15
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$6,845 AUD
ZAR 77,679 ZAR
View
Retailer 16
-
$6,901 AUD
View
Price last confirmed 8 days ago
Retailer 17
-
$7,224 AUD
$5,075 USD
View
Price last confirmed 102 days ago
A
Retailer 18
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$7,679 AUD
$5,394 USD
View
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Retailer 19
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$8,347 AUD
$5,863 USD
View
A
Retailer 20
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$8,720 AUD
$6,125 USD
View
A
Retailer 21
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$9,189 AUD
$6,455 USD
View
A
Retailer 22
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$9,233 AUD
£5,107 GBP
View
B+
Retailer 23
-
$10,739 AUD
SGD 10,194 SGD
View
B+
Retailer 24
-
$11,258 AUD
$7,908 USD
View
B+
Retailer 25
-
$11,987 AUD
$8,420 USD
View
Most Expensive
Novita Diamonds
cert_778649089 · Oct 8
$16,520 AUD
View
Price last confirmed 22 days ago
25 more retailers have this diamond
Prices start from $2,772 AUDSave up to $9,215 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
4.05ct Emerald
$2,772 AUD