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Emerald|Lab Grown|IGI

3.78ct F VS2 Emerald Lab Grown Diamond

ID • F/VS2 • IGI LG823642473

Shape and cutting style on the report: Emerald cut

Certificate IGI LG823642473

Diamond specifications and retailer prices

From $742 AUD
$521 USD
As of October 31, 2026
Save $292 AUD (28%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,730 AUD at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 3.78ct lab-grown emerald diamond

This 3.78ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823642473 or 823642473. Listed at 5 retailers as of October 28, 2026, with a 39% 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

3.78
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823642473
Dimensions10.50 × 7.23 × 5.03 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.50 mm7.23 mm3.78 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823642473
Side View
Table 65.0%Crown 38.2°Girdle: MediumPavilion 40.3°Culet: LargeDepth 69.6%

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 31
Current: $3,730 AUD|Low: $742 AUD|High: $4,885 AUD|Avg: $2,596 AUD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2$742 AUD
Retailer 3$1,034 AUD
Retailer 6$1,486 AUD
Retailer 4$2,723 AUD
Rare Carat$3,730 AUD
Retailer 5$4,885 AUD

7 data points across 6 retailers

5 retailers$742 AUD to $1,034 AUD

A
Cheapest Retailer
-
$742 AUD
$521 USD
Final sale: no returns
B+
Retailer 2
-
$1,034 AUD
$726 USD
View
Retailer 3
-
$1,486 AUD
$1,044 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$2,723 AUD
$1,913 USD
View
Price last confirmed 7 days ago
Most Expensive
Rare Carat
823642473 · Oct 7
$3,730 AUD
$2,620 USD
View
Price last confirmed 24 days ago
4 more retailers have this diamond
Prices start from $742 AUDSave up to $292 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
$742 AUD