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Emerald|Lab Grown|IGI

4.05ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG689520651

Shape and cutting style on the report: Emerald cut

Certificate IGI LG689520651

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)
25 retailers carry this diamond
Most expensive: $16,520 AUD at Novita Diamonds · As of October 18, 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 LG689520651 or 689520651. Listed at 25 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 angle37.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689520651
Dimensions10.50 × 7.36 × 5.06 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.50 mm7.36 mm4.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689520651
Side View
Table 60.0%Crown 37.3°Girdle: Slightly ThickPavilion 35.6°Culet: LargeDepth 68.8%

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: $6,892 AUD|+0.2%
Novita 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 31, 2026
Retailer 19$2,772 AUD
Retailer 13$3,103 AUD
Retailer 4$3,216 AUD
Retailer 3$3,452 AUD
Retailer 6$3,469 AUD
Retailer 5$4,420 AUD
Retailer 2$4,423 AUD
Retailer 17$4,598 AUD
Retailer 18$4,714 AUD
Retailer 15$4,993 AUD
Retailer 9$6,096 AUD
Retailer 14$6,845 AUD
Retailer 10$7,679 AUD
Retailer 7$8,664 AUD
Retailer 8$9,189 AUD
Retailer 16$9,233 AUD
Retailer 11$11,258 AUD
Retailer 12$11,987 AUD
Novita Diamonds$16,520 AUD

33 data points across 19 retailers

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

A
Cheapest Retailer
-
$2,772 AUD
$1,947 USD
A
Retailer 2
-
$3,103 AUD
$2,180 USD
View
Final sale: no returns
A
Retailer 3
-
$3,216 AUD
$2,259 USD
View
Retailer 4
-
$3,216 AUD
$2,259 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$3,452 AUD
$2,425 USD
View
A
Retailer 6
-
$3,469 AUD
$2,437 USD
View
Retailer 7
-
$3,562 AUD
$2,502 USD
View
Price last confirmed 39 days ago
Retailer 8
-
$4,076 AUD
$2,863 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
$4,420 AUD
$3,105 USD
View
A
Retailer 10
-
$4,423 AUD
£2,446 GBP
View
A
Retailer 11
-
$4,598 AUD
$3,230 USD
View
A
Retailer 12
-
$4,714 AUD
$3,311 USD
View
A
Retailer 13
-
$4,993 AUD
€3,340 EUR
View
Retailer 14
-
$5,680 AUD
$3,990 USD
View
Price last confirmed 34 days ago
A
Retailer 15
-
$6,096 AUD
£3,372 GBP
View
Retailer 16
-
$6,334 AUD
$4,449 USD
View
Price last confirmed 32 days ago
A
Retailer 17
-
$6,845 AUD
ZAR 77,679 ZAR
View
A
Retailer 18
-
$7,679 AUD
$5,394 USD
View
A
Retailer 19
-
$8,664 AUD
$6,086 USD
View
A
Retailer 20
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$9,189 AUD
$6,455 USD
View
A
Retailer 21
-
$9,233 AUD
£5,107 GBP
View
B+
Retailer 22
-
$11,258 AUD
$7,908 USD
View
B+
Retailer 23
-
$11,987 AUD
$8,420 USD
View
Retailer 24
-
$13,595 AUD
$9,550 USD
View
Price last confirmed 7 days ago
Most Expensive
Novita Diamonds
cert_689520651 · Oct 8
$16,520 AUD
View
Price last confirmed 12 days ago
24 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