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Asscher|Lab Grown|IGI

4.30ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG811634362

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG811634362

Diamond specifications and retailer prices

From £5,182 GBP
$6,943 USD
As of October 30, 2026
Save £22,623 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £27,805 GBP at With Clarity · As of October 30, 2026
View at With Clarity

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 LG811634362 or 811634362. Listed at 13 retailers as of October 30, 2026, with prices from £5,182 to £27,805, a £22,623 spread on the same certified stone. With Clarity lists it at £27,805. 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 angle31.7°
Pavilion angle45.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634362
Dimensions8.99 × 8.98 × 5.91 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
8.99 mm8.98 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634362
Side View
Table 64.0%Crown 31.7°Girdle: MediumPavilion 45.4°Culet: NoneDepth 65.8%

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: £10,822 GBP|Low: £4,512 GBP|High: £35,868 GBP|Avg: £11,580 GBP|-36.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 30, 2026
Retailer 5£4,512 GBP
Retailer 12£5,182 GBP
Retailer 9£6,461 GBP
Retailer 2£6,582 GBP
Retailer 10£6,598 GBP
Retailer 13£8,060 GBP
Retailer 7£8,613 GBP
Retailer 3£9,805 GBP
Retailer 8£10,599 GBP
Retailer 1£10,822 GBP
Retailer 6£11,027 GBP
Retailer 11£14,121 GBP
Retailer 4£18,087 GBP
With Clarity£27,805 GBP

37 data points across 14 retailers

13 retailers£5,182 GBP to £27,805 GBP

A
Cheapest Retailer
-
£5,182 GBP
$6,943 USD
A
Retailer 2
-
£6,461 GBP
View
A
Retailer 3
-
£6,582 GBP
HK$68,900 HKD
View
Retailer 4
-
£6,598 GBP
$8,840 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£8,060 GBP
$10,800 USD
View
B+
Retailer 6
-
£8,613 GBP
€10,991 EUR
View
B+
Retailer 7
-
£9,805 GBP
$13,137 USD
View
B+
Retailer 8
-
£10,599 GBP
View
B+
Retailer 9
-
£10,822 GBP
$14,500 USD
View
B+
Retailer 10
-
£11,027 GBP
ZAR 238,689 ZAR
View
B
Retailer 11
-
£14,121 GBP
$18,920 USD
View
B
Retailer 12
-
£18,087 GBP
$24,234 USD
View
Most Expensive
B
With Clarity
811634362 · Oct 30
£27,805 GBP
$37,255 USD
View
12 more retailers have this diamond
Prices start from £5,182 GBPSave up to £22,623 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
£5,182 GBP