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Asscher|Lab Grown|IGI

4.91ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG768629826

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG768629826

Diamond specifications and retailer prices

From £5,513 GBP
$7,387 USD
As of October 31, 2026
Save £17,789 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £23,302 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.91ct lab-grown asscher diamond

This 4.91ct 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 LG768629826 or 768629826. Listed at 13 retailers as of October 30, 2026, with prices from £5,513 to £23,302, a £17,789 spread on the same certified stone. Taylor and Hart lists it at £23,302. 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

4.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629826
Dimensions9.37 × 9.36 × 6.10 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
9.37 mm9.36 mm4.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629826
Side View
Table 59.0%Crown 30.8°Girdle: Slightly ThickPavilion 44°Culet: NoneDepth 65.2%

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: £8,820 GBP|Low: £5,513 GBP|High: £28,040 GBP|Avg: £13,048 GBP|-21.3%
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£5,513 GBP
Retailer 11£5,884 GBP
Retailer 5£6,391 GBP
Retailer 10£7,667 GBP
Retailer 2£8,025 GBP
Retailer 4£8,154 GBP
Retailer 1£8,820 GBP
Retailer 3£12,113 GBP
Retailer 8£12,294 GBP
Retailer 6£12,628 GBP
Retailer 9£13,380 GBP
Retailer 7£15,559 GBP
Retailer 12£20,155 GBP
Taylor and Hart£23,302 GBP

33 data points across 14 retailers

13 retailers£5,513 GBP to £23,302 GBP

A
Cheapest Retailer
-
£5,513 GBP
$7,387 USD
A
Retailer 2
-
£5,884 GBP
$7,884 USD
View
A
Retailer 3
-
£7,667 GBP
$10,273 USD
View
B+
Retailer 4
-
£8,025 GBP
HK$84,000 HKD
View
Retailer 5
-
£8,154 GBP
$10,925 USD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
£8,820 GBP
View
B+
Retailer 7
-
£12,113 GBP
$16,230 USD
View
B+
Retailer 8
-
£12,294 GBP
€15,688 EUR
View
B+
Retailer 9
-
£12,628 GBP
$16,920 USD
View
B+
Retailer 10
-
£13,380 GBP
View
B
Retailer 11
-
£15,559 GBP
ZAR 336,786 ZAR
View
B
Retailer 12
-
£20,155 GBP
$27,005 USD
View
Most Expensive
B
Taylor and Hart
FCJ4K2C · Oct 30
£23,302 GBP
$31,222 USD
View
12 more retailers have this diamond
Prices start from £5,513 GBPSave up to £17,789 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
4.91ct Asscher
£5,513 GBP