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Asscher|Lab Grown|IGI

4.30ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG768629098

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG768629098

Diamond specifications and retailer prices

From £3,765 GBP
$5,045 USD
As of October 31, 2026
Save £14,321 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £18,087 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG768629098 or 768629098. Listed at 13 retailers as of October 30, 2026, with prices from £3,765 to £18,087, a £14,321 spread on the same certified stone. Taylor and Hart lists it at £18,087. 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 angle35.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629098
Dimensions8.99 × 8.98 × 5.79 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
8.99 mm8.98 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629098
Side View
Table 65.0%Crown 35.1°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 64.5%

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: £6,490 GBP|Low: £3,765 GBP|High: £18,216 GBP|Avg: £9,422 GBP|-20.5%
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
Taylor and Hart
October 31, 2026
Retailer 13£3,765 GBP
Retailer 11£4,303 GBP
Retailer 5£4,512 GBP
Retailer 10£6,404 GBP
Retailer 1£6,490 GBP
Retailer 3£6,630 GBP
Retailer 2£8,060 GBP
Retailer 8£8,613 GBP
Retailer 4£8,883 GBP
Retailer 9£10,599 GBP
Retailer 6£10,822 GBP
Retailer 7£11,027 GBP
Retailer 12£14,121 GBP
Taylor and Hart£18,087 GBP

37 data points across 14 retailers

13 retailers£3,765 GBP to £18,087 GBP

A
Cheapest Retailer
-
£3,765 GBP
$5,045 USD
A
Retailer 2
-
£4,303 GBP
$5,765 USD
View
Retailer 3
-
£6,404 GBP
$8,580 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
£6,490 GBP
View
A
Retailer 5
-
£6,630 GBP
HK$69,400 HKD
View
B+
Retailer 6
-
£8,060 GBP
$10,800 USD
View
B+
Retailer 7
-
£8,613 GBP
€10,991 EUR
View
B+
Retailer 8
-
£8,883 GBP
$11,902 USD
View
B+
Retailer 9
-
£10,599 GBP
View
B+
Retailer 10
-
£10,822 GBP
$14,500 USD
View
B+
Retailer 11
-
£11,027 GBP
ZAR 238,689 ZAR
View
B+
Retailer 12
-
£14,121 GBP
$18,920 USD
View
Most Expensive
B
Taylor and Hart
ZB0D572 · Oct 30
£18,087 GBP
$24,234 USD
View
12 more retailers have this diamond
Prices start from £3,765 GBPSave up to £14,321 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
£3,765 GBP