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Asscher|Lab Grown|IGI

1.78ct F VVS1 Asscher Lab Grown Diamond

ID • F/VVS1 • IGI LG801659549

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG801659549

Diamond specifications and retailer prices

From £386 GBP
$517 USD
As of November 1, 2026
Save £1,868 GBP (83%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,254 GBP at Brilliant Earth · As of October 26, 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG801659549 or 801659549. Listed at 5 retailers as of October 26, 2026, with prices from £386 to £2,254, a £1,868 spread on the same certified stone. Brilliant Earth lists it at £2,254. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle46.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801659549
Dimensions6.60 × 6.56 × 4.43 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.60 mm6.56 mm1.78 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801659549
Side View
Table 62.0%Crown 35.3°Girdle: Slightly ThickPavilion 46.4°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,254 GBP|Low: £367 GBP|High: £2,329 GBP|Avg: £810 GBP|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4£386 GBP
Retailer 6£399 GBP
Retailer 3£424 GBP
Retailer 5£443 GBP
Retailer 7£495 GBP
Retailer 10£821 GBP
Retailer 8£919 GBP
Retailer 2£921 GBP
Retailer 9£1,033 GBP
Brilliant Earth£2,254 GBP

17 data points across 10 retailers

5 retailers£386 GBP to £2,254 GBP

B+
Cheapest Retailer
-
£386 GBP
$517 USD
A
Retailer 2
-
£424 GBP
$568 USD
View
A
Retailer 3
-
£443 GBP
€565 EUR
View
B+
Retailer 4
-
£921 GBP
View
Most Expensive
B
Brilliant Earth
19834430A · Oct 26
£2,254 GBP
$3,020 USD
View
4 more retailers have this diamond
Prices start from £386 GBPSave up to £1,868 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
£386 GBP