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Asscher|Lab Grown|IGI

1.91ct D VS1 Asscher Lab Grown Diamond

ID • D/VS1 • IGI LG840656430

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840656430

Diamond specifications and retailer prices

From £219 GBP
$293 USD
As of October 30, 2026
Save £1,162 GBP (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,381 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.91ct lab-grown asscher diamond

This 1.91ct 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 LG840656430 or 840656430. Listed at 15 retailers as of October 30, 2026, with prices from £219 to £1,381, a £1,162 spread on the same certified stone. Brilliant Earth lists it at £1,381. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656430
Dimensions6.84 × 6.77 × 4.57 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.77 mm1.91 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840656430
Side View
Table 58.0%Crown 32.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 67.5%

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 30
Current: £1,381 GBP|Low: £210 GBP|High: £1,500 GBP|Avg: £759 GBP|-8.0%
Brilliant Earth
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
October 30, 2026
Retailer 15£219 GBP
Retailer 2£303 GBP
Retailer 12£306 GBP
Retailer 4£446 GBP
Retailer 11£448 GBP
Retailer 6£609 GBP
Retailer 10£631 GBP
Retailer 14£834 GBP
Retailer 8£848 GBP
Retailer 5£852 GBP
Retailer 7£872 GBP
Retailer 3£872 GBP
Retailer 9£1,094 GBP
Retailer 13£1,187 GBP
Brilliant Earth£1,381 GBP

34 data points across 15 retailers

15 retailers£219 GBP to £1,381 GBP

A
Cheapest Retailer
-
£219 GBP
$293 USD
A
Retailer 2
-
£303 GBP
View
A
Retailer 3
-
£306 GBP
HK$3,200 HKD
View
A
Retailer 4
-
£446 GBP
$597 USD
View
A
Retailer 5
-
£448 GBP
$600 USD
View
B+
Retailer 6
-
£609 GBP
$816 USD
View
B+
Retailer 7
-
£631 GBP
A$1,301 AUD
View
B+
Retailer 8
-
£834 GBP
$1,117 USD
View
B+
Retailer 9
-
£848 GBP
A$1,749 AUD
View
B+
Retailer 10
-
£852 GBP
$1,142 USD
View
B+
Retailer 11
-
£872 GBP
SGD 1,579 SGD
View
B+
Retailer 12
-
£872 GBP
$1,169 USD
View
B
Retailer 13
-
£1,094 GBP
View
Retailer 14
-
£1,187 GBP
$1,590 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21563809A · Oct 30
£1,381 GBP
$1,850 USD
View
14 more retailers have this diamond
Prices start from £219 GBPSave up to £1,162 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
1.91ct Asscher
£219 GBP