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Asscher|Lab Grown|IGI

1.91ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG647413100

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG647413100

Diamond specifications and retailer prices

From £858 GBP
$1,149 USD
As of October 30, 2026
Save £2,401 GBP (74%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,259 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG647413100 or 647413100. Listed at 2 retailers as of October 29, 2026, with prices from £858 to £3,259, a £2,401 spread on the same certified stone. Diamond Quarter lists it at £3,259. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647413100
Dimensions6.87 × 6.81 × 4.45 mm
L/W Ratio1.01
Culet sizeLong
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
6.87 mm6.81 mm1.91 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647413100
Side View
Table 64.0%Crown 34°Girdle: MED-STKPavilion 38.9°Culet: LNGDepth 65.3%

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: £858 GBP|Low: £257 GBP|High: £3,784 GBP|Avg: £1,667 GBP|+6.6%
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September 23, 2026
Retailer 8£257 GBP
Retailer 5£499 GBP
Retailer 3£603 GBP
Retailer 9£672 GBP
Retailer 1£858 GBP
Retailer 6£1,240 GBP
Retailer 10£1,299 GBP
Retailer 12£1,504 GBP
Retailer 7£1,596 GBP
Retailer 4£2,486 GBP
Retailer 14£2,560 GBP
Retailer 13£3,060 GBP
Retailer 2£3,150 GBP
Retailer 11£3,784 GBP
Retailer 15£3,784 GBP

52 data points across 15 retailers

2 retailers£858 GBP to £3,259 GBP

A
Cheapest Retailer
-
£858 GBP
$1,149 USD
Most Expensive
B
Diamond Quarter
1.91IFDLG00C288N · Oct 29
£3,259 GBP
View
1 more retailer has this diamond
Prices start from £858 GBPSave up to £2,401 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
£858 GBP