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Asscher|Lab Grown|IGI

3.23ct E SI1 Asscher Lab Grown Diamond

VG • E/SI1 • IGI LG600347751

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG600347751

Diamond specifications and retailer prices

From £321 GBP
$430 USD
As of October 30, 2026
Save £1,858 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,179 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.23ct lab-grown asscher diamond

This 3.23ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG600347751 or 600347751. Listed at 17 retailers as of October 30, 2026, with prices from £321 to £2,179, a £1,858 spread on the same certified stone. Brilliant Earth lists it at £2,179. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.23
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle46.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600347751
Dimensions8.14 × 7.98 × 5.52 mm
L/W Ratio1.02
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
8.14 mm7.98 mm3.23 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600347751
Side View
Table 64.0%Crown 33.9°Girdle: MediumPavilion 46.1°Culet: NoneDepth 69.2%

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: £2,179 GBP|Low: £321 GBP|High: £3,747 GBP|Avg: £1,142 GBP|-41.8%
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 31, 2026
Retailer 9£321 GBP
Retailer 8£359 GBP
Retailer 7£363 GBP
Retailer 10£398 GBP
Retailer 5£508 GBP
Retailer 3£519 GBP
Retailer 11£625 GBP
Retailer 4£628 GBP
Retailer 2£656 GBP
Retailer 15£964 GBP
Retailer 6£1,263 GBP
Retailer 13£1,278 GBP
Retailer 12£1,469 GBP
Retailer 14£2,060 GBP
Brilliant Earth£2,179 GBP

44 data points across 15 retailers

17 retailers£321 GBP to £2,179 GBP

A
Cheapest Retailer
-
£321 GBP
$430 USD
A
Retailer 2
-
£359 GBP
$481 USD
View
A
Retailer 3
-
£363 GBP
$487 USD
View
Final sale: no returns
A
Retailer 4
-
£398 GBP
$533 USD
View
A
Retailer 5
-
£439 GBP
HK$4,600 HKD
View
A
Retailer 6
-
£508 GBP
$680 USD
View
B+
Retailer 7
-
£519 GBP
$695 USD
View
A
Retailer 8
-
£625 GBP
€797 EUR
View
B+
Retailer 9
-
£628 GBP
$841 USD
View
A
Retailer 10
-
£656 GBP
View
B+
Retailer 11
-
£964 GBP
$1,292 USD
View
B
Retailer 12
-
£1,105 GBP
View
B
Retailer 13
-
£1,263 GBP
SGD 2,287 SGD
View
B
Retailer 14
-
£1,278 GBP
$1,713 USD
View
B
Retailer 15
-
£1,469 GBP
View
B
Retailer 16
-
£2,060 GBP
$2,760 USD
View
Most Expensive
B
Brilliant Earth
20997875A · Oct 30
£2,179 GBP
$2,920 USD
View
16 more retailers have this diamond
Prices start from £321 GBPSave up to £1,858 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
3.23ct Asscher
£321 GBP