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Asscher|Lab Grown|IGI

1.68ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG825632078

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG825632078

Diamond specifications and retailer prices

From £408 GBP
As of October 30, 2026
Save £3,594 GBP (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,002 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.68ct lab-grown asscher diamond

This 1.68ct 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 LG825632078 or 825632078. Listed at 9 retailers as of October 28, 2026, with prices from £408 to £4,002, a £3,594 spread on the same certified stone. Brilliant Earth lists it at £4,002. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825632078
Dimensions6.60 × 6.57 × 4.29 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 mm6.57 mm1.68 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825632078
Side View
Table 62.0%Crown 32.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 65.3%

Caratlytics Score

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A+
Exceptional
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: £4,002 GBP|Low: £408 GBP|High: £4,002 GBP|Avg: £1,495 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
Retailer 14
October 30, 2026
Retailer 2£408 GBP
Retailer 4£453 GBP
Retailer 8£557 GBP
Retailer 9£571 GBP
Retailer 10£952 GBP
Retailer 14£957 GBP
Retailer 5£1,019 GBP
Retailer 13£1,174 GBP
Retailer 11£1,457 GBP
Retailer 3£1,762 GBP
Retailer 6£2,103 GBP
Retailer 7£2,501 GBP
Retailer 12£2,790 GBP
Brilliant Earth£4,002 GBP

22 data points across 14 retailers

9 retailers£408 GBP to £4,002 GBP

A+
Cheapest Retailer
-
£408 GBP
A
Retailer 2
-
£557 GBP
$742 USD
View
A
Retailer 3
-
£571 GBP
$760 USD
View
B+
Retailer 4
-
£952 GBP
$1,268 USD
View
B+
Retailer 5
-
£1,174 GBP
$1,564 USD
View
Retailer 6
-
£1,457 GBP
View
Price last confirmed 9 days ago
B
Retailer 7
-
£2,501 GBP
$3,330 USD
View
Retailer 8
-
£2,790 GBP
$3,715 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21732127Y · Oct 28
£4,002 GBP
$5,330 USD
View
8 more retailers have this diamond
Prices start from £408 GBPSave up to £3,594 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+
1.68ct Asscher
£408 GBP