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Asscher|Lab Grown|IGI

1.91ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG630443235

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG630443235

Diamond specifications and retailer prices

From £528 GBP
$708 USD
As of October 31, 2026
Save £3,629 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,157 GBP at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG630443235 or 630443235. Listed at 21 retailers as of October 31, 2026, with prices from £528 to £4,157, a £3,629 spread on the same certified stone. Brilliant Earth lists it at £4,157. 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 angle38.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630443235
Dimensions6.72 × 6.72 × 4.51 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
6.72 mm6.72 mm1.91 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630443235
Side View
Table 66.0%Crown 38.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 67.1%

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 31
Current: £4,157 GBP|Low: £528 GBP|High: £4,157 GBP|Avg: £1,373 GBP
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
November 1, 2026
Retailer 8£528 GBP
Retailer 4£549 GBP
Retailer 7£743 GBP
Retailer 13£785 GBP
Retailer 2£869 GBP
Retailer 9£893 GBP
Retailer 11£1,008 GBP
Retailer 14£1,277 GBP
Retailer 12£1,365 GBP
Retailer 15£1,510 GBP
Retailer 6£1,706 GBP
Retailer 3£1,769 GBP
Retailer 5£1,849 GBP
Retailer 10£2,323 GBP
Brilliant Earth£4,157 GBP

44 data points across 15 retailers

21 retailers£528 GBP to £4,157 GBP

A
Cheapest Retailer
-
£528 GBP
$708 USD
Final sale: no returns
Retailer 2
-
£549 GBP
$735 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£640 GBP
HK$6,700 HKD
View
A
Retailer 4
-
£683 GBP
$915 USD
View
A
Retailer 5
-
£743 GBP
$996 USD
View
A
Retailer 6
-
£785 GBP
$1,052 USD
View
A
Retailer 7
-
£869 GBP
View
A
Retailer 8
-
£893 GBP
€1,140 EUR
View
A
Retailer 9
-
£1,008 GBP
ZAR 21,817 ZAR
View
B+
Retailer 10
-
£1,237 GBP
$1,657 USD
View
B+
Retailer 11
-
£1,277 GBP
$1,711 USD
View
Retailer 12
-
£1,365 GBP
A$2,813 AUD
View
Price last confirmed 11 days ago
Retailer 13
-
£1,510 GBP
A$3,113 AUD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
£1,706 GBP
View
B
Retailer 15
-
£1,769 GBP
$2,370 USD
View
B
Retailer 16
-
£1,849 GBP
SGD 3,348 SGD
View
B
Retailer 17
-
£1,893 GBP
$2,537 USD
View
B
Retailer 18
-
£1,924 GBP
$2,578 USD
View
B+
Retailer 19
-
£2,323 GBP
View
B
Retailer 20
-
£2,419 GBP
View
Most Expensive
B
Brilliant Earth
14067360A · Oct 31
£4,157 GBP
$5,570 USD
View
20 more retailers have this diamond
Prices start from £528 GBPSave up to £3,629 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
£528 GBP