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Asscher|Lab Grown|IGI

3.78ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG779666453

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG779666453

Diamond specifications and retailer prices

From HK$4,653 HKD
$593 USD
As of October 30, 2026
Save HK$39,787 HKD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$44,440 HKD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG779666453 or 779666453. Listed at 22 retailers as of October 27, 2026, with prices from HK$4,653 to HK$44,440, a HK$39,787 spread on the same certified stone. Queensmith lists it at HK$44,440. 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 angle39.5°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779666453
Dimensions8.43 × 8.28 × 5.51 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.43 mm8.28 mm3.78 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779666453
Side View
Table 65.0%Crown 39.5°Girdle: MediumPavilion 42.1°Culet: NoneDepth 66.5%

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 30
Current: HK$12,178 HKD|Low: HK$4,464 HKD|High: HK$25,827 HKD|Avg: HK$11,221 HKD|-0.6%
Retailer 1
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
Retailer 20
Retailer 21
October 30, 2026
Retailer 21HK$4,653 HKD
Retailer 9HK$5,210 HKD
Retailer 18HK$5,210 HKD
Retailer 6HK$5,767 HKD
Retailer 20HK$5,767 HKD
Retailer 4HK$6,277 HKD
Retailer 2HK$7,260 HKD
Retailer 5HK$7,728 HKD
Retailer 10HK$8,136 HKD
Retailer 15HK$8,650 HKD
Retailer 12HK$9,019 HKD
Retailer 1HK$12,178 HKD
Retailer 17HK$12,527 HKD
Retailer 3HK$14,311 HKD
Retailer 19HK$15,174 HKD
Retailer 11HK$15,213 HKD
Retailer 13HK$16,740 HKD
Retailer 8HK$18,406 HKD
Retailer 14HK$18,662 HKD
Retailer 7HK$19,200 HKD
Retailer 16HK$25,169 HKD

36 data points across 21 retailers

22 retailersHK$4,653 HKD to HK$44,440 HKD

A
Cheapest Retailer
-
HK$4,653 HKD
$593 USD
A
Retailer 2
-
HK$5,210 HKD
$664 USD
View
Final sale: no returns
A
Retailer 3
-
HK$5,210 HKD
$664 USD
View
A
Retailer 4
-
HK$5,767 HKD
$735 USD
View
Retailer 5
-
HK$5,767 HKD
$735 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
HK$6,277 HKD
$800 USD
View
Retailer 7
-
HK$7,260 HKD
£729 GBP
View
Price last confirmed 13 days ago
B+
Retailer 8
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HK$7,728 HKD
$985 USD
View
A
Retailer 9
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HK$8,136 HKD
$1,037 USD
View
A
Retailer 10
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HK$8,650 HKD
€1,050 EUR
View
A
Retailer 11
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HK$9,019 HKD
£905 GBP
View
Retailer 12
-
HK$12,178 HKD
A$2,388 AUD
View
A
Retailer 13
-
HK$12,527 HKD
ZAR 25,795 ZAR
View
B+
Retailer 14
-
HK$14,311 HKD
$1,824 USD
View
B+
Retailer 15
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HK$15,174 HKD
$1,934 USD
View
B+
Retailer 16
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HK$15,213 HKD
$1,939 USD
View
B+
Retailer 17
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HK$16,740 HKD
£1,680 GBP
View
B+
Retailer 18
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HK$18,406 HKD
$2,346 USD
View
B+
Retailer 19
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HK$18,662 HKD
$2,379 USD
View
B+
Retailer 20
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HK$19,200 HKD
$2,447 USD
View
B+
Retailer 21
-
HK$25,169 HKD
£2,526 GBP
View
Most Expensive
B
Queensmith
LG779666453 · Oct 27
HK$44,440 HKD
£4,460 GBP
View
21 more retailers have this diamond
Prices start from HK$4,653 HKDSave up to HK$39,787 HKD

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
HK$4,653 HKD