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Emerald|Lab Grown|IGI

3.78ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG577365694

Shape and cutting style on the report: Emerald cut

Certificate IGI LG577365694

Diamond specifications and retailer prices

From $712 AUD
$500 USD
As of October 30, 2026
Save $4,238 AUD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,950 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.78ct lab-grown emerald diamond

This 3.78ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577365694 or 577365694. Listed at 19 retailers as of October 30, 2026, with prices from $712 to $4,950, a $4,238 spread on the same certified stone. Blue Nile lists it at $4,950. 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

3.78
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577365694
Dimensions10.57 × 7.32 × 4.84 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.57 mm7.32 mm3.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577365694
Side View
Table 65.0%Crown 36°Girdle: MED-STKPavilion 39.2°Culet: LNGDepth 66.1%

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 30
Current: $4,950 AUD|Low: $599 AUD|High: $7,275 AUD|Avg: $2,037 AUD|-0.0%
Blue Nile
Retailer 2
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Retailer 21
October 31, 2026
Retailer 12$699 AUD
Retailer 7$712 AUD
Retailer 19$797 AUD
Retailer 3$884 AUD
Retailer 5$884 AUD
Retailer 13$1,082 AUD
Retailer 16$1,223 AUD
Retailer 10$1,372 AUD
Retailer 11$1,436 AUD
Retailer 2$1,470 AUD
Retailer 20$1,879 AUD
Retailer 17$1,918 AUD
Retailer 4$1,972 AUD
Retailer 14$2,104 AUD
Retailer 21$2,279 AUD
Retailer 6$2,323 AUD
Retailer 9$2,877 AUD
Retailer 8$3,276 AUD
Retailer 18$3,692 AUD
Retailer 15$4,798 AUD
Blue Nile$4,950 AUD

40 data points across 21 retailers

19 retailers$712 AUD to $4,950 AUD

A
Cheapest Retailer
-
$712 AUD
$500 USD
A
Retailer 2
-
$797 AUD
$560 USD
View
Retailer 3
-
$884 AUD
$621 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$884 AUD
$621 USD
View
A
Retailer 5
-
$1,082 AUD
$760 USD
View
A
Retailer 6
-
$1,223 AUD
€818 EUR
View
B+
Retailer 7
-
$1,372 AUD
$964 USD
View
A
Retailer 8
-
$1,436 AUD
$1,009 USD
View
A
Retailer 9
-
$1,470 AUD
£813 GBP
View
Retailer 10
-
$1,879 AUD
View
Price last confirmed 11 days ago
A
Retailer 11
-
$1,918 AUD
ZAR 21,762 ZAR
View
A
Retailer 12
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$1,972 AUD
$1,385 USD
View
B+
Retailer 13
-
$2,279 AUD
$1,601 USD
View
B+
Retailer 14
-
$2,323 AUD
$1,632 USD
View
B+
Retailer 15
-
$2,877 AUD
$2,021 USD
View
B
Retailer 16
-
$3,276 AUD
$2,301 USD
View
B
Retailer 17
-
$3,692 AUD
£2,042 GBP
View
B
Retailer 18
-
$4,798 AUD
$3,370 USD
View
Most Expensive
B
Blue Nile
25255897 · Oct 31
$4,950 AUD
$3,477 USD
View
18 more retailers have this diamond
Prices start from $712 AUDSave up to $4,238 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
3.78ct Emerald
$712 AUD