Asscher|Lab Grown|IGI

1.03ct D FL Asscher Lab Grown Diamond

GD • D/FL • IGI LG818671736

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG818671736

Diamond specifications and retailer prices

From £301 GBP
$403 USD
As of October 30, 2026
Save £1,010 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,311 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown asscher diamond

This 1.03ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG818671736 or 818671736. Listed at 19 retailers as of October 29, 2026, with prices from £301 to £1,311, a £1,010 spread on the same certified stone. MOH London lists it at £1,311. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671736
Dimensions5.52 × 5.51 × 3.77 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
5.52 mm5.51 mm1.03 ctD / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671736
Side View
Table 63.0%Crown 35.1°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 68.4%

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: £1,311 GBP|Low: £233 GBP|High: £1,436 GBP|Avg: £749 GBP|-7.6%
MOH London
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 31, 2026
Retailer 3£301 GBP
Retailer 6£363 GBP
Retailer 7£448 GBP
Retailer 13£465 GBP
Retailer 11£470 GBP
Retailer 9£538 GBP
Retailer 10£573 GBP
Retailer 2£601 GBP
Retailer 14£762 GBP
Retailer 8£824 GBP
Retailer 5£981 GBP
Retailer 4£1,103 GBP
Retailer 12£1,273 GBP
MOH London£1,311 GBP

36 data points across 14 retailers

19 retailers£301 GBP to £1,311 GBP

Retailer 1
-
£293 GBP
$392 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£301 GBP
$403 USD
View
Final sale: no returns
Retailer 3
-
£328 GBP
$439 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£358 GBP
$480 USD
View
Price last confirmed 36 days ago
Retailer 5
-
£363 GBP
$487 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£363 GBP
$487 USD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
£448 GBP
$600 USD
View
B+
Retailer 8
-
£465 GBP
$623 USD
View
B+
Retailer 9
-
£470 GBP
$630 USD
View
B+
Retailer 10
-
£538 GBP
€687 EUR
View
B+
Retailer 11
-
£573 GBP
ZAR 12,412 ZAR
View
B+
Retailer 12
-
£601 GBP
View
B
Retailer 13
-
£762 GBP
$1,020 USD
View
B
Retailer 14
-
£824 GBP
$1,104 USD
View
Retailer 15
-
£981 GBP
$1,315 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
£1,103 GBP
$1,478 USD
View
Retailer 17
-
£1,167 GBP
$1,564 USD
View
Price last confirmed 30 days ago
B
Retailer 18
-
£1,273 GBP
$1,706 USD
View
Most Expensive
B
MOH London
LG818671736 · Oct 29
£1,311 GBP
View
18 more retailers have this diamond
Prices start from £301 GBPSave up to £1,010 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
1.03ct Asscher
£301 GBP