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Asscher|Lab Grown|IGI

1.73ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG830620110

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG830620110

Diamond specifications and retailer prices

From £333 GBP
$446 USD
As of October 30, 2026
Save £2,555 GBP (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,888 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.73ct lab-grown asscher diamond

This 1.73ct 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 LG830620110 or 830620110. Listed at 13 retailers as of October 30, 2026, with prices from £333 to £2,888, a £2,555 spread on the same certified stone. Brilliant Earth lists it at £2,888. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620110
Dimensions6.74 × 6.72 × 4.33 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
6.74 mm6.72 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620110
Side View
Table 65.0%Crown 34.3°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
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: £2,888 GBP|Low: £333 GBP|High: £4,127 GBP|Avg: £1,219 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
October 30, 2026
Retailer 8£333 GBP
Retailer 3£413 GBP
Retailer 9£438 GBP
Retailer 4£483 GBP
Retailer 2£596 GBP
Retailer 7£648 GBP
Retailer 10£682 GBP
Retailer 12£999 GBP
Retailer 13£1,351 GBP
Retailer 6£1,436 GBP
Retailer 5£1,762 GBP
Retailer 11£1,846 GBP
Brilliant Earth£2,888 GBP

2 data points across 13 retailers

13 retailers£333 GBP to £2,888 GBP

A
Cheapest Retailer
-
£333 GBP
$446 USD
A
Retailer 2
-
£413 GBP
$553 USD
View
A
Retailer 3
-
£438 GBP
View
A
Retailer 4
-
£483 GBP
$647 USD
View
Final sale: no returns
A
Retailer 5
-
£596 GBP
$799 USD
View
A
Retailer 6
-
£648 GBP
$868 USD
View
A
Retailer 7
-
£682 GBP
View
B+
Retailer 8
-
£999 GBP
$1,339 USD
View
B+
Retailer 9
-
£1,351 GBP
$1,810 USD
View
B+
Retailer 10
-
£1,436 GBP
$1,924 USD
View
B
Retailer 11
-
£1,762 GBP
SGD 3,191 SGD
View
B
Retailer 12
-
£1,846 GBP
$2,474 USD
View
Most Expensive
B
Brilliant Earth
22348873A · Oct 30
£2,888 GBP
$3,870 USD
View
12 more retailers have this diamond
Prices start from £333 GBPSave up to £2,555 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
1.73ct Asscher
£333 GBP