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Asscher|Lab Grown|IGI

1.33ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG793632211

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG793632211

Diamond specifications and retailer prices

From £270 GBP
As of November 6, 2026
Save £881 GBP (77%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,152 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.33ct lab-grown asscher diamond

This 1.33ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG793632211 or 793632211. Listed at 5 retailers as of November 4, 2026, with prices from £270 to £1,152, a £881 spread on the same certified stone. Brilliant Earth lists it at £1,152. 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

1.33
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793632211
Dimensions6.09 × 6.09 × 3.92 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
6.09 mm6.09 mm1.33 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793632211
Side View
Table 67.0%Crown 30.8°Girdle: MediumPavilion 42.4°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,152 GBP|Low: £268 GBP|High: £1,181 GBP|Avg: £519 GBP|-2.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 5£270 GBP
Retailer 6£285 GBP
Retailer 3£290 GBP
Retailer 4£340 GBP
Retailer 7£551 GBP
Retailer 2£700 GBP
Brilliant Earth£1,152 GBP

18 data points across 7 retailers

5 retailers£270 GBP to £1,152 GBP

B+
Cheapest Retailer
-
£270 GBP
Retailer 2
-
£290 GBP
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£340 GBP
View
B
Retailer 4
-
£700 GBP
View
Most Expensive
B
Brilliant Earth
18960109A · Nov 4
£1,152 GBP
$1,550 USD
View
4 more retailers have this diamond
Prices start from £270 GBPSave up to £881 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.

B+
1.33ct Asscher
£270 GBP