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Asscher|Lab Grown|IGI

3.00ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG821641193

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG821641193

Diamond specifications and retailer prices

From £1,818 GBP
$2,421 USD
As of October 29, 2026
Save £5,579 GBP (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £7,397 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3ct lab-grown asscher diamond

This 3ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821641193 or 821641193. Listed at 12 retailers as of October 28, 2026, with prices from £1,818 to £7,397, a £5,579 spread on the same certified stone. Brilliant Earth lists it at £7,397. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821641193
Dimensions7.92 × 7.86 × 5.17 mm
L/W Ratio1.01
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
7.92 mm7.86 mm3.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821641193
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £7,397 GBP|Low: £1,818 GBP|High: £13,389 GBP|Avg: £4,863 GBP|-3.0%
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
October 30, 2026
Retailer 12£1,818 GBP
Retailer 11£1,840 GBP
Retailer 13£2,365 GBP
Retailer 2£2,604 GBP
Retailer 10£2,854 GBP
Retailer 6£3,023 GBP
Retailer 8£4,123 GBP
Retailer 9£4,145 GBP
Retailer 3£4,956 GBP
Retailer 7£5,171 GBP
Retailer 4£6,627 GBP
Brilliant Earth£7,397 GBP
Retailer 5£13,389 GBP

40 data points across 13 retailers

12 retailers£1,818 GBP to £7,397 GBP

A
Cheapest Retailer
-
£1,818 GBP
$2,421 USD
A
Retailer 2
-
£1,840 GBP
$2,450 USD
View
A
Retailer 3
-
£2,365 GBP
HK$24,600 HKD
View
A
Retailer 4
-
£2,604 GBP
View
A
Retailer 5
-
£2,854 GBP
$3,800 USD
View
A
Retailer 6
-
£3,023 GBP
€3,834 EUR
View
B+
Retailer 7
-
£4,123 GBP
$5,490 USD
View
Retailer 8
-
£4,145 GBP
A$8,492 AUD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
£4,956 GBP
$6,600 USD
View
B+
Retailer 10
-
£5,171 GBP
View
B
Retailer 11
-
£6,627 GBP
$8,825 USD
View
Most Expensive
B
Brilliant Earth
21476318Y · Oct 28
£7,397 GBP
$9,850 USD
View
11 more retailers have this diamond
Prices start from £1,818 GBPSave up to £5,579 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
3.00ct Asscher
£1,818 GBP