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Asscher|Lab Grown|IGI

1.78ct D VS1 Asscher Lab Grown Diamond

ID • D/VS1 • IGI LG696540141

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG696540141

Diamond specifications and retailer prices

From £226 GBP
$300 USD
As of October 27, 2026
Save £1,279 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,505 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

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 LG696540141 or 696540141. Listed at 23 retailers as of October 27, 2026, with prices from £226 to £1,505, a £1,279 spread on the same certified stone. Brilliant Earth lists it at £1,505. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696540141
Dimensions6.66 × 6.64 × 4.49 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm6.64 mm1.78 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696540141
Side View
Table 63.0%Crown 35.9°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 67.6%

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: £1,505 GBP|Low: £222 GBP|High: £1,686 GBP|Avg: £660 GBP|-10.7%
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 4£226 GBP
Retailer 11£252 GBP
Retailer 21£262 GBP
Retailer 6£280 GBP
Retailer 7£280 GBP
Retailer 3£313 GBP
Retailer 19£399 GBP
Retailer 13£417 GBP
Retailer 14£458 GBP
Retailer 18£481 GBP
Retailer 2£495 GBP
Retailer 10£537 GBP
Retailer 9£540 GBP
Retailer 17£653 GBP
Retailer 22£860 GBP
Retailer 5£900 GBP
Retailer 12£936 GBP
Retailer 23£1,072 GBP
Retailer 8£1,076 GBP
Retailer 20£1,123 GBP
Retailer 15£1,138 GBP
Retailer 16£1,304 GBP
Brilliant Earth£1,505 GBP

34 data points across 23 retailers

23 retailers£226 GBP to £1,505 GBP

A
Cheapest Retailer
-
£226 GBP
$300 USD
A
Retailer 2
-
£252 GBP
$335 USD
View
Final sale: no returns
A
Retailer 3
-
£262 GBP
$348 USD
View
A
Retailer 4
-
£280 GBP
$372 USD
View
A
Retailer 5
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£280 GBP
$372 USD
View
A
Retailer 6
-
£313 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£399 GBP
$530 USD
View
A
Retailer 8
-
£417 GBP
€528 EUR
View
A
Retailer 9
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£458 GBP
$608 USD
View
A
Retailer 10
-
£481 GBP
ZAR 10,324 ZAR
View
A
Retailer 11
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£495 GBP
View
B+
Retailer 12
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£537 GBP
$713 USD
View
B+
Retailer 13
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£540 GBP
$717 USD
View
B+
Retailer 14
-
£653 GBP
A$1,334 AUD
View
B
Retailer 15
-
£860 GBP
$1,143 USD
View
B
Retailer 16
-
£900 GBP
$1,196 USD
View
B
Retailer 17
-
£936 GBP
$1,243 USD
View
B
Retailer 18
-
£1,072 GBP
$1,425 USD
View
Price last confirmed 8 days ago
B
Retailer 19
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£1,076 GBP
$1,430 USD
View
B
Retailer 20
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£1,123 GBP
View
B
Retailer 21
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£1,138 GBP
$1,513 USD
View
B
Retailer 22
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£1,304 GBP
$1,733 USD
View
Most Expensive
B
Brilliant Earth
13734275A · Oct 27
£1,505 GBP
$2,000 USD
View
22 more retailers have this diamond
Prices start from £226 GBPSave up to £1,279 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
£226 GBP