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Asscher|Lab Grown|IGI

1.78ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG627472024

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG627472024

Diamond specifications and retailer prices

From £176 GBP
$235 USD
As of October 27, 2026
Save £1,683 GBP (91%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,860 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.78ct lab-grown asscher diamond

This 1.78ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627472024 or 627472024. Listed at 15 retailers as of October 27, 2026, with prices from £176 to £1,860, a £1,683 spread on the same certified stone. Queensmith lists it at £1,860. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627472024
Dimensions6.78 × 6.65 × 4.39 mm
L/W Ratio1.02
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
6.78 mm6.65 mm1.78 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627472024
Side View
Table 65.0%Crown 35°Girdle: MediumPavilion 40.2°Culet: NoneDepth 66.0%

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 27
Current: £1,860 GBP|Low: £140 GBP|High: £1,860 GBP|Avg: £695 GBP
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 29, 2026
Retailer 12£176 GBP
Retailer 15£197 GBP
Retailer 3£205 GBP
Retailer 13£219 GBP
Retailer 11£270 GBP
Retailer 4£296 GBP
Retailer 5£405 GBP
Retailer 2£465 GBP
Retailer 10£562 GBP
Retailer 14£777 GBP
Retailer 16£898 GBP
Retailer 8£910 GBP
Retailer 7£950 GBP
Retailer 9£974 GBP
Retailer 6£1,697 GBP
Queensmith£1,860 GBP

23 data points across 16 retailers

15 retailers£176 GBP to £1,860 GBP

A
Cheapest Retailer
-
£176 GBP
$235 USD
A
Retailer 2
-
£197 GBP
$263 USD
View
Final sale: no returns
A
Retailer 3
-
£205 GBP
$273 USD
View
A
Retailer 4
-
£219 GBP
$292 USD
View
A
Retailer 5
-
£270 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£296 GBP
$394 USD
View
A
Retailer 7
-
£405 GBP
$539 USD
View
A
Retailer 8
-
£465 GBP
View
A
Retailer 9
-
£562 GBP
A$1,152 AUD
View
B+
Retailer 10
-
£777 GBP
$1,035 USD
View
B
Retailer 11
-
£898 GBP
$1,196 USD
View
B
Retailer 12
-
£910 GBP
$1,212 USD
View
B+
Retailer 13
-
£974 GBP
View
B
Retailer 14
-
£1,697 GBP
$2,260 USD
View
Most Expensive
B
Queensmith
LG627472024 · Oct 27
£1,860 GBP
View
14 more retailers have this diamond
Prices start from £176 GBPSave up to £1,683 GBP

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
1.78ct Asscher
£176 GBP