Asscher|Lab Grown|IGI

1.28ct D VS1 Asscher Lab Grown Diamond

ID • D/VS1 • IGI LG691510040

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG691510040

Diamond specifications and retailer prices

From £177 GBP
$238 USD
As of November 3, 2026
Save £744 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £922 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.28ct lab-grown asscher diamond

This 1.28ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG691510040 or 691510040. Listed at 15 retailers as of November 1, 2026, with prices from £177 to £922, a £744 spread on the same certified stone. Reve Diamonds lists it at £922. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691510040
Dimensions5.94 × 5.93 × 3.97 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
5.94 mm5.93 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691510040
Side View
Table 65.0%Crown 36.1°Girdle: MediumPavilion 40.1°Culet: NoneDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £365 GBP|Low: £177 GBP|High: £926 GBP|Avg: £476 GBP|+3.6%
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
Reve Diamonds
November 3, 2026
Retailer 5£177 GBP
Retailer 13£197 GBP
Retailer 15£265 GBP
Retailer 6£339 GBP
Retailer 10£341 GBP
Retailer 12£341 GBP
Retailer 1£365 GBP
Retailer 7£385 GBP
Retailer 2£407 GBP
Retailer 3£436 GBP
Retailer 9£482 GBP
Retailer 14£525 GBP
Retailer 11£648 GBP
Retailer 4£674 GBP
Retailer 8£791 GBP
Reve Diamonds£922 GBP

41 data points across 16 retailers

15 retailers£177 GBP to £922 GBP

A
Cheapest Retailer
-
£177 GBP
$238 USD
Final sale: no returns
Retailer 2
-
£197 GBP
$265 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
£339 GBP
$455 USD
View
A
Retailer 4
-
£341 GBP
ZAR 7,384 ZAR
View
A
Retailer 5
-
£341 GBP
€436 EUR
View
A
Retailer 6
-
£365 GBP
View
A
Retailer 7
-
£385 GBP
$516 USD
View
Retailer 8
-
£407 GBP
View
Price last confirmed 11 days ago
B+
Retailer 9
-
£436 GBP
$585 USD
View
B+
Retailer 10
-
£482 GBP
A$996 AUD
View
Retailer 11
-
£525 GBP
$705 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£648 GBP
$870 USD
View
B
Retailer 13
-
£674 GBP
$904 USD
View
B
Retailer 14
-
£791 GBP
View
Most Expensive
B
Reve Diamonds
ED363508F · Nov 1
£922 GBP
$1,237 USD
View
14 more retailers have this diamond
Prices start from £177 GBPSave up to £744 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
1.28ct Asscher
£177 GBP