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Asscher|Lab Grown|IGI

1.78ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG634442014

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG634442014

Diamond specifications and retailer prices

From £197 GBP
$263 USD
As of October 28, 2026
Save £1,662 GBP (89%) vs most expensive(unlock to see where)
10 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 LG634442014 or 634442014. Listed at 10 retailers as of October 27, 2026, with prices from £197 to £1,860, a £1,662 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 angle34.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634442014
Dimensions6.93 × 6.72 × 4.29 mm
L/W Ratio1.03
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
6.93 mm6.72 mm1.78 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634442014
Side View
Table 65.0%Crown 34.7°Girdle: MediumPavilion 39.5°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
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 28
Current: £1,860 GBP|Low: £140 GBP|High: £1,860 GBP|Avg: £847 GBP
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6£197 GBP
Retailer 8£296 GBP
Retailer 9£405 GBP
Retailer 2£466 GBP
Retailer 5£562 GBP
Retailer 7£898 GBP
Retailer 3£910 GBP
Retailer 11£950 GBP
Retailer 4£974 GBP
Retailer 10£1,697 GBP
Queensmith£1,860 GBP

23 data points across 11 retailers

10 retailers£197 GBP to £1,860 GBP

A
Cheapest Retailer
-
£197 GBP
$263 USD
Final sale: no returns
B+
Retailer 2
-
£296 GBP
$394 USD
View
A
Retailer 3
-
£405 GBP
$539 USD
View
A
Retailer 4
-
£466 GBP
View
A
Retailer 5
-
£562 GBP
A$1,152 AUD
View
B
Retailer 6
-
£898 GBP
$1,196 USD
View
B
Retailer 7
-
£910 GBP
$1,212 USD
View
B+
Retailer 8
-
£974 GBP
View
B
Retailer 9
-
£1,697 GBP
$2,260 USD
View
Most Expensive
B
Queensmith
LG634442014 · Oct 27
£1,860 GBP
View
9 more retailers have this diamond
Prices start from £197 GBPSave up to £1,662 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
£197 GBP