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Asscher|Lab Grown|IGI

4.29ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG837647180

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG837647180

Diamond specifications and retailer prices

From £3,842 GBP
$5,148 USD
As of October 31, 2026
Save £20,055 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £23,897 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.29ct lab-grown asscher diamond

This 4.29ct 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 LG837647180 or 837647180. Listed at 12 retailers as of October 29, 2026, with prices from £3,842 to £23,897, a £20,055 spread on the same certified stone. Do Amore Diamonds lists it at £23,897. 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

4.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837647180
Dimensions8.92 × 8.85 × 5.81 mm
L/W Ratio1.01
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
8.92 mm8.85 mm4.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837647180
Side View
Table 60.0%Crown 30.3°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 65.6%

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 31
Current: £23,897 GBP|Low: £3,708 GBP|High: £31,187 GBP|Avg: £9,774 GBP|-5.2%
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
October 31, 2026
Retailer 6£3,842 GBP
Retailer 8£4,068 GBP
Retailer 2£4,426 GBP
Retailer 5£5,532 GBP
Retailer 11£6,233 GBP
Retailer 12£6,515 GBP
Retailer 9£7,734 GBP
Retailer 10£9,099 GBP
Retailer 3£9,802 GBP
Retailer 7£10,799 GBP
Retailer 4£20,805 GBP
Do Amore Diamonds£23,897 GBP

28 data points across 12 retailers

12 retailers£3,842 GBP to £23,897 GBP

A
Cheapest Retailer
-
£3,842 GBP
$5,148 USD
Retailer 2
-
£4,052 GBP
$5,429 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£4,068 GBP
View
A
Retailer 4
-
£4,426 GBP
$5,930 USD
View
A
Retailer 5
-
£5,532 GBP
$7,412 USD
View
A
Retailer 6
-
£6,233 GBP
$8,351 USD
View
Retailer 7
-
£6,515 GBP
$8,730 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£7,734 GBP
€9,869 EUR
View
B+
Retailer 9
-
£9,099 GBP
View
Retailer 10
-
£9,802 GBP
$13,133 USD
View
Price last confirmed 16 days ago
B+
Retailer 11
-
£10,799 GBP
$14,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-EAA771AE0 · Oct 29
£23,897 GBP
$32,020 USD
View
11 more retailers have this diamond
Prices start from £3,842 GBPSave up to £20,055 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
4.29ct Asscher
£3,842 GBP