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Asscher|Lab Grown|IGI

1.65ct D FL Asscher Lab Grown Diamond

EX • D/FL • IGI LG799644018

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG799644018

Diamond specifications and retailer prices

From £399 GBP
As of October 30, 2026
Save £2,332 GBP (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,732 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 LG799644018 or 799644018. Listed at 9 retailers as of October 30, 2026, with prices from £399 to £2,732, a £2,332 spread on the same certified stone. Brilliant Earth lists it at £2,732. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799644018
Dimensions6.64 × 6.63 × 4.26 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
6.64 mm6.63 mm1.65 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799644018
Side View
Table 62.0%Crown 34.7°Girdle: MediumPavilion 38.5°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A+
Exceptional
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: £2,732 GBP|Low: £399 GBP|High: £3,903 GBP|Avg: £1,418 GBP|-30.0%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 2£399 GBP
Retailer 3£410 GBP
Retailer 13£546 GBP
Retailer 14£560 GBP
Retailer 4£747 GBP
Retailer 15£929 GBP
Retailer 18£934 GBP
Retailer 9£981 GBP
Retailer 8£1,087 GBP
Retailer 5£1,114 GBP
Retailer 17£1,151 GBP
Retailer 12£1,478 GBP
Retailer 6£1,717 GBP
Retailer 10£2,055 GBP
Retailer 7£2,235 GBP
Retailer 11£2,440 GBP
Retailer 16£2,720 GBP
Brilliant Earth£2,732 GBP

22 data points across 18 retailers

9 retailers£399 GBP to £2,732 GBP

A+
Cheapest Retailer
-
£399 GBP
A
Retailer 2
-
£546 GBP
$731 USD
View
A
Retailer 3
-
£560 GBP
$750 USD
View
B+
Retailer 4
-
£929 GBP
$1,245 USD
View
B+
Retailer 5
-
£1,151 GBP
$1,542 USD
View
B+
Retailer 6
-
£1,478 GBP
View
B
Retailer 7
-
£2,440 GBP
$3,270 USD
View
Retailer 8
-
£2,720 GBP
$3,645 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21730923Y · Oct 30
£2,732 GBP
$3,660 USD
View
8 more retailers have this diamond
Prices start from £399 GBPSave up to £2,332 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
£399 GBP