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Asscher|Lab Grown|IGI

1.51ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG694522047

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG694522047

Diamond specifications and retailer prices

From £173 GBP
As of November 4, 2026
Save £791 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,526 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.51ct lab-grown asscher diamond

This 1.51ct 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 LG694522047 or 694522047. Listed at 19 retailers as of November 4, 2026, with a 456% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694522047
Dimensions6.30 × 6.30 × 4.21 mm
L/W Ratio1.00
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
6.30 mm6.30 mm1.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694522047
Side View
Table 63.0%Crown 34.5°Girdle: MediumPavilion 42.1°Culet: NoneDepth 66.8%

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: Nov 4
Current: £1,526 GBP|Low: £167 GBP|High: £1,526 GBP|Avg: £485 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 17
November 5, 2026
Retailer 16£173 GBP
Retailer 7£194 GBP
Retailer 6£215 GBP
Retailer 17£215 GBP
Retailer 5£364 GBP
Retailer 11£371 GBP
Retailer 8£387 GBP
Retailer 13£390 GBP
Retailer 2£402 GBP
Retailer 15£411 GBP
Retailer 10£502 GBP
Retailer 4£692 GBP
Retailer 14£694 GBP
Retailer 9£730 GBP
Retailer 12£862 GBP
Retailer 3£876 GBP
Brilliant Earth£1,526 GBP

45 data points across 17 retailers

19 retailers£173 GBP to £964 GBP

A
Cheapest Retailer
-
£173 GBP
A
Retailer 2
-
£194 GBP
View
Final sale: no returns
A
Retailer 3
-
£201 GBP
View
A
Retailer 4
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£215 GBP
View
Retailer 5
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£215 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
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£364 GBP
View
A
Retailer 7
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£371 GBP
View
A
Retailer 8
-
£387 GBP
View
Retailer 9
-
£390 GBP
View
Price last confirmed 7 days ago
A
Retailer 10
-
£402 GBP
View
Retailer 11
-
£411 GBP
View
Price last confirmed 20 days ago
B+
Retailer 12
-
£502 GBP
View
B+
Retailer 13
-
£547 GBP
View
B+
Retailer 14
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£692 GBP
View
B
Retailer 15
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£730 GBP
View
B
Retailer 16
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£862 GBP
View
B
Retailer 17
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£876 GBP
View
B
Retailer 18
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£964 GBP
View
Most Expensive
Brilliant Earth
21312544A · Oct 22
£1,526 GBP
$2,060 USD
View
Price last confirmed 13 days ago
18 more retailers have this diamond
Prices start from £173 GBPSave up to £791 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
1.51ct Asscher
£173 GBP