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Asscher|Lab Grown|IGI

3.78ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG612316323

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG612316323

Diamond specifications and retailer prices

From $1,697 AUD
$1,192 USD
As of October 29, 2026
Save $2,130 AUD (56%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,827 AUD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 3.78ct lab-grown asscher diamond

This 3.78ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG612316323 or 612316323. Listed at 2 retailers as of October 29, 2026, with prices from $1,697 to $3,827, a $2,130 spread on the same certified stone. Diamond Quarter lists it at $3,827. 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
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612316323
Dimensions8.46 × 8.46 × 8.57 mm
L/W Ratio1.00
Culet sizePointed
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
8.46 mm8.46 mm3.78 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612316323
Side View
Table 65.0%Crown 33.2°Girdle: MediumPavilion 39.1°Culet: NoneDepth 66.1%

Caratlytics Score

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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: $1,697 AUD|Low: $1,621 AUD|High: $12,926 AUD|Avg: $4,624 AUD|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 23, 2026
Retailer 1$1,697 AUD
Retailer 2$1,744 AUD
Retailer 10$2,184 AUD
Retailer 5$2,426 AUD
Retailer 7$2,630 AUD
Retailer 6$2,719 AUD
Retailer 3$2,883 AUD
Retailer 8$5,374 AUD
Retailer 9$11,261 AUD
Retailer 4$12,912 AUD

70 data points across 10 retailers

2 retailers$1,697 AUD to $3,827 AUD

A
Cheapest Retailer
-
$1,697 AUD
$1,192 USD
Most Expensive
B
Diamond Quarter
3.78VS1DLG2375E9N · Oct 29
$3,827 AUD
£2,117 GBP
View
1 more retailer has this diamond
Prices start from $1,697 AUDSave up to $2,130 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 Asscher
$1,697 AUD