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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 $2,115 NZD
$1,192 USD
As of October 30, 2026
Save $2,654 NZD (56%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,769 NZD 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 $2,115 to $4,769, a $2,654 spread on the same certified stone. Diamond Quarter lists it at $4,769. 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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Price History

Last verified: Oct 30
Current: $2,115 NZD|Low: $2,021 NZD|High: $16,111 NZD|Avg: $5,764 NZD|+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$2,115 NZD
Retailer 2$2,174 NZD
Retailer 10$2,722 NZD
Retailer 5$3,024 NZD
Retailer 7$3,278 NZD
Retailer 6$3,389 NZD
Retailer 3$3,593 NZD
Retailer 8$6,698 NZD
Retailer 9$14,035 NZD
Retailer 4$16,093 NZD

70 data points across 10 retailers

2 retailers$2,115 NZD to $4,769 NZD

A
Cheapest Retailer
-
$2,115 NZD
$1,192 USD
Most Expensive
B
Diamond Quarter
3.78VS1DLG2375E9N · Oct 29
$4,769 NZD
£2,117 GBP
View
1 more retailer has this diamond
Prices start from $2,115 NZDSave up to $2,654 NZD

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
$2,115 NZD