Asscher|Lab Grown|IGI

4.30ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG744513660

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG744513660

Diamond specifications and retailer prices

From £3,649 GBP
$4,889 USD
As of October 27, 2026
Save £20,308 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £23,957 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.3ct lab-grown asscher diamond

This 4.3ct 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 LG744513660 or 744513660. Listed at 15 retailers as of October 27, 2026, with prices from £3,649 to £23,957, a £20,308 spread on the same certified stone. Do Amore Diamonds lists it at £23,957. 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

4.30
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513660
Dimensions8.97 × 8.97 × 6.04 mm
L/W Ratio1.00
Culet sizePointed
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
8.97 mm8.97 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513660
Side View
Table 61.0%Crown 39.3°Girdle: Slightly ThickPavilion 41.3°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: £23,957 GBP|Low: £3,482 GBP|High: £29,443 GBP|Avg: £8,913 GBP|-18.6%
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
Retailer 15
October 31, 2026
Retailer 5£3,649 GBP
Retailer 10£3,812 GBP
Retailer 2£3,858 GBP
Retailer 8£4,003 GBP
Retailer 3£4,064 GBP
Retailer 15£5,158 GBP
Retailer 4£5,292 GBP
Retailer 7£5,554 GBP
Retailer 14£6,245 GBP
Retailer 6£6,415 GBP
Retailer 12£7,751 GBP
Retailer 13£9,120 GBP
Retailer 9£10,822 GBP
Retailer 11£12,232 GBP
Do Amore Diamonds£23,957 GBP

34 data points across 15 retailers

15 retailers£3,649 GBP to £23,957 GBP

A+
Cheapest Retailer
-
£3,649 GBP
$4,889 USD
A
Retailer 2
-
£3,812 GBP
$5,107 USD
View
A
Retailer 3
-
£3,858 GBP
$5,169 USD
View
A
Retailer 4
-
£4,003 GBP
$5,364 USD
View
A
Retailer 5
-
£4,064 GBP
$5,445 USD
View
A
Retailer 6
-
£5,158 GBP
$6,911 USD
View
A
Retailer 7
-
£5,292 GBP
$7,091 USD
View
A
Retailer 8
-
£5,554 GBP
$7,442 USD
View
Final sale: no returns
A
Retailer 9
-
£6,245 GBP
$8,368 USD
View
Retailer 10
-
£6,415 GBP
$8,595 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
£7,751 GBP
€9,891 EUR
View
B+
Retailer 12
-
£9,120 GBP
View
B+
Retailer 13
-
£10,822 GBP
$14,500 USD
View
B+
Retailer 14
-
£12,232 GBP
$16,390 USD
View
Most Expensive
B
Do Amore Diamonds
27-D2AF8A2F9 · Oct 30
£23,957 GBP
$32,100 USD
View
14 more retailers have this diamond
Prices start from £3,649 GBPSave up to £20,308 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+
4.30ct Asscher
£3,649 GBP