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Asscher|Lab Grown|IGI

1.65ct E FL Asscher Lab Grown Diamond

ID • E/FL • IGI LG840634363

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634363

Diamond specifications and retailer prices

From £403 GBP
As of October 30, 2026
Save £2,728 GBP (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,131 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.65ct lab-grown asscher diamond

This 1.65ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634363 or 840634363. Listed at 17 retailers as of October 28, 2026, with prices from £403 to £3,131, a £2,728 spread on the same certified stone. Brilliant Earth lists it at £3,131. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634363
Dimensions6.60 × 6.58 × 4.11 mm
L/W Ratio1.00
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
6.60 mm6.58 mm1.65 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634363
Side View
Table 67.0%Crown 33.7°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 62.5%

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 30
Current: £3,131 GBP|Low: £402 GBP|High: £3,131 GBP|Avg: £1,250 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
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Retailer 17
October 30, 2026
Retailer 2£403 GBP
Retailer 8£457 GBP
Retailer 13£499 GBP
Retailer 3£575 GBP
Retailer 16£615 GBP
Retailer 10£642 GBP
Retailer 12£671 GBP
Retailer 11£807 GBP
Retailer 4£924 GBP
Retailer 15£1,095 GBP
Retailer 5£1,280 GBP
Retailer 14£1,352 GBP
Retailer 17£1,436 GBP
Retailer 6£1,673 GBP
Retailer 7£1,747 GBP
Retailer 9£2,760 GBP
Brilliant Earth£3,131 GBP

14 data points across 17 retailers

17 retailers£403 GBP to £3,131 GBP

A
Cheapest Retailer
-
£403 GBP
A
Retailer 2
-
£457 GBP
$609 USD
View
Final sale: no returns
A
Retailer 3
-
£499 GBP
$665 USD
View
A
Retailer 4
-
£575 GBP
$766 USD
View
A
Retailer 5
-
£615 GBP
$819 USD
View
A
Retailer 6
-
£642 GBP
View
A
Retailer 7
-
£671 GBP
ZAR 14,432 ZAR
View
A
Retailer 8
-
£807 GBP
€1,023 EUR
View
B+
Retailer 9
-
£924 GBP
$1,231 USD
View
B+
Retailer 10
-
£1,095 GBP
$1,458 USD
View
B+
Retailer 11
-
£1,280 GBP
$1,705 USD
View
B+
Retailer 12
-
£1,352 GBP
$1,801 USD
View
B+
Retailer 13
-
£1,436 GBP
View
B
Retailer 14
-
£1,673 GBP
SGD 3,010 SGD
View
B
Retailer 15
-
£1,747 GBP
$2,326 USD
View
Retailer 16
-
£2,760 GBP
$3,675 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21861664A · Oct 28
£3,131 GBP
$4,170 USD
View
16 more retailers have this diamond
Prices start from £403 GBPSave up to £2,728 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
1.65ct Asscher
£403 GBP