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Asscher|Lab Grown|IGI

4.51ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG784642072

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG784642072

Diamond specifications and retailer prices

From £4,571 GBP
$6,125 USD
As of October 30, 2026
Save £8,116 GBP (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £31,450 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown asscher diamond

This 4.51ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784642072 or 784642072. Listed at 14 retailers as of October 30, 2026, with a 178% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642072
Dimensions9.31 × 9.14 × 5.94 mm
L/W Ratio1.02
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
9.31 mm9.14 mm4.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642072
Side View
Table 64.0%Crown 33.1°Girdle: ThickPavilion 37.2°Culet: NoneDepth 65.0%

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: £31,450 GBP|Low: £4,571 GBP|High: £37,697 GBP|Avg: £10,282 GBP|-16.6%
Do Amore Diamonds
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 12£4,571 GBP
Retailer 10£4,761 GBP
Retailer 9£4,768 GBP
Retailer 2£4,790 GBP
Retailer 7£5,291 GBP
Retailer 8£6,305 GBP
Retailer 4£6,968 GBP
Retailer 6£7,107 GBP
Retailer 5£7,512 GBP
Retailer 3£8,206 GBP
Retailer 13£10,289 GBP
Retailer 14£11,797 GBP
Retailer 11£12,688 GBP
Do Amore Diamonds£31,450 GBP

34 data points across 14 retailers

14 retailers£4,571 GBP to £12,688 GBP

A
Cheapest Retailer
-
£4,571 GBP
$6,125 USD
A
Retailer 2
-
£4,761 GBP
$6,379 USD
View
A
Retailer 3
-
£4,768 GBP
$6,389 USD
View
A
Retailer 4
-
£4,790 GBP
$6,418 USD
View
A
Retailer 5
-
£5,291 GBP
$7,090 USD
View
A
Retailer 6
-
£6,305 GBP
$8,448 USD
View
A
Retailer 7
-
£6,968 GBP
$9,336 USD
View
B+
Retailer 8
-
£7,107 GBP
$9,522 USD
View
Final sale: no returns
Retailer 9
-
£7,512 GBP
$10,065 USD
View
Price last confirmed 23 days ago
B+
Retailer 10
-
£8,206 GBP
$10,995 USD
View
B+
Retailer 11
-
£10,289 GBP
€13,130 EUR
View
B+
Retailer 12
-
£11,797 GBP
View
B+
Retailer 13
-
£12,688 GBP
$17,000 USD
View
Most Expensive
Do Amore Diamonds
27-AF998A97A · Oct 31
£31,450 GBP
$42,140 USD
View
Price under review
13 more retailers have this diamond
Prices start from £4,571 GBPSave up to £8,116 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
4.51ct Asscher
£4,571 GBP