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Asscher|Lab Grown|IGI

0.91ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG747577437

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG747577437

Diamond specifications and retailer prices

From £158 GBP
$212 USD
As of October 30, 2026
Save £761 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,523 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.91ct lab-grown asscher diamond

This 0.91ct lab-grown asscher sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG747577437 or 747577437. Listed at 16 retailers as of October 30, 2026, with a 481% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.91
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747577437
Dimensions5.33 × 5.33 × 3.58 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
5.33 mm5.33 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747577437
Side View
Table 65.0%Crown 34°Girdle: MediumPavilion 41.2°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
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: £1,620 GBP|Low: £117 GBP|High: £1,620 GBP|Avg: £510 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3£117 GBP
Retailer 8£158 GBP
Retailer 11£177 GBP
Retailer 9£196 GBP
Retailer 12£263 GBP
Retailer 10£267 GBP
Retailer 6£399 GBP
Retailer 2£409 GBP
Retailer 7£633 GBP
Retailer 5£869 GBP
Retailer 4£919 GBP
Do Amore Diamonds£1,620 GBP

43 data points across 12 retailers

16 retailers£158 GBP to £919 GBP

A
Cheapest Retailer
-
£158 GBP
$212 USD
A
Retailer 2
-
£177 GBP
$237 USD
View
Final sale: no returns
A
Retailer 3
-
£184 GBP
$246 USD
View
A
Retailer 4
-
£196 GBP
$263 USD
View
A
Retailer 5
-
£196 GBP
$263 USD
View
B+
Retailer 6
-
£263 GBP
$352 USD
View
B+
Retailer 7
-
£267 GBP
$358 USD
View
Retailer 8
-
£399 GBP
$535 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£409 GBP
View
B
Retailer 10
-
£633 GBP
$848 USD
View
B
Retailer 11
-
£696 GBP
$933 USD
View
B
Retailer 12
-
£824 GBP
$1,105 USD
View
B
Retailer 13
-
£869 GBP
View
B
Retailer 14
-
£919 GBP
$1,232 USD
View
Most Expensive
Do Amore Diamonds
27-2A3B100B6 · Oct 29
£1,523 GBP
$2,040 USD
View
Price under review
14 more retailers have this diamond
Prices start from £158 GBPSave up to £761 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
0.91ct Asscher
£158 GBP