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Asscher|Lab Grown|IGI

1.58ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG799644191

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG799644191

Diamond specifications and retailer prices

From £264 GBP
$354 USD
As of October 30, 2026
Save £2,281 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,847 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 1.58ct lab-grown asscher diamond

This 1.58ct 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 LG799644191 or 799644191. Listed at 13 retailers as of October 30, 2026, with a 863% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799644191
Dimensions6.51 × 6.51 × 4.18 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
6.51 mm6.51 mm1.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799644191
Side View
Table 65.0%Crown 36.2°Girdle: MediumPavilion 39.2°Culet: NoneDepth 64.2%

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: £2,847 GBP|Low: £264 GBP|High: £4,568 GBP|Avg: £1,437 GBP|+4.7%
Rare Carat
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 8£264 GBP
Retailer 4£313 GBP
Retailer 9£383 GBP
Retailer 5£516 GBP
Retailer 13£525 GBP
Retailer 14£537 GBP
Retailer 2£868 GBP
Retailer 3£1,112 GBP
Retailer 6£1,116 GBP
Retailer 12£1,162 GBP
Retailer 11£1,420 GBP
Retailer 10£2,343 GBP
Retailer 7£2,545 GBP
Rare Carat£2,847 GBP

38 data points across 14 retailers

13 retailers£264 GBP to £2,545 GBP

A
Cheapest Retailer
-
£264 GBP
$354 USD
A
Retailer 2
-
£313 GBP
$420 USD
View
A
Retailer 3
-
£383 GBP
View
A
Retailer 4
-
£516 GBP
$692 USD
View
Final sale: no returns
A
Retailer 5
-
£525 GBP
$704 USD
View
A
Retailer 6
-
£537 GBP
$720 USD
View
B+
Retailer 7
-
£868 GBP
$1,163 USD
View
B+
Retailer 8
-
£1,112 GBP
$1,490 USD
View
B+
Retailer 9
-
£1,162 GBP
$1,557 USD
View
B+
Retailer 10
-
£1,420 GBP
View
B
Retailer 11
-
£2,343 GBP
$3,140 USD
View
B
Retailer 12
-
£2,545 GBP
$3,410 USD
View
Most Expensive
Rare Carat
ACP-206288 · Oct 19
£2,847 GBP
$3,815 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from £264 GBPSave up to £2,281 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
1.58ct Asscher
£264 GBP