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Asscher|Lab Grown|IGI

1.65ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG840634943

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634943

Diamond specifications and retailer prices

From £419 GBP
As of October 30, 2026
Save £2,328 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,746 GBP at Brilliant Earth · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634943 or 840634943. Listed at 16 retailers as of October 30, 2026, with prices from £419 to £2,746, a £2,328 spread on the same certified stone. Brilliant Earth lists it at £2,746. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634943
Dimensions6.52 × 6.51 × 4.32 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
6.52 mm6.51 mm1.65 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634943
Side View
Table 61.0%Crown 35°Girdle: MediumPavilion 40.1°Culet: NoneDepth 66.4%

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: £2,746 GBP|Low: £418 GBP|High: £3,926 GBP|Avg: £1,316 GBP|-30.0%
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 9£419 GBP
Retailer 5£460 GBP
Retailer 14£504 GBP
Retailer 16£622 GBP
Retailer 10£651 GBP
Retailer 13£678 GBP
Retailer 11£813 GBP
Retailer 3£915 GBP
Retailer 15£1,108 GBP
Retailer 4£1,293 GBP
Retailer 12£1,458 GBP
Retailer 2£1,614 GBP
Retailer 6£1,684 GBP
Retailer 7£1,761 GBP
Retailer 8£2,743 GBP
Brilliant Earth£2,746 GBP

15 data points across 16 retailers

16 retailers£419 GBP to £2,746 GBP

A
Cheapest Retailer
-
£419 GBP
A
Retailer 2
-
£460 GBP
$617 USD
View
Final sale: no returns
A
Retailer 3
-
£504 GBP
$675 USD
View
A
Retailer 4
-
£622 GBP
$833 USD
View
A
Retailer 5
-
£651 GBP
View
A
Retailer 6
-
£678 GBP
ZAR 14,683 ZAR
View
A
Retailer 7
-
£813 GBP
€1,038 EUR
View
B+
Retailer 8
-
£915 GBP
$1,226 USD
View
B+
Retailer 9
-
£1,108 GBP
$1,484 USD
View
B+
Retailer 10
-
£1,293 GBP
$1,733 USD
View
B+
Retailer 11
-
£1,458 GBP
View
B+
Retailer 12
-
£1,614 GBP
$2,162 USD
View
B+
Retailer 13
-
£1,684 GBP
SGD 3,049 SGD
View
B
Retailer 14
-
£1,761 GBP
$2,359 USD
View
Retailer 15
-
£2,743 GBP
$3,675 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21861673A · Oct 30
£2,746 GBP
$3,680 USD
View
15 more retailers have this diamond
Prices start from £419 GBPSave up to £2,328 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
£419 GBP