Asscher|Lab Grown|IGI

4.01ct D VS1 Asscher Lab Grown Diamond

ID • D/VS1 • IGI LG787645320

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG787645320

Diamond specifications and retailer prices

From £537 GBP
$715 USD
As of October 29, 2026
Save £3,060 GBP (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,664 GBP at Queensmith · As of October 16, 2026
View at Queensmith

About this 4.01ct lab-grown asscher diamond

This 4.01ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787645320 or 787645320. Listed at 25 retailers as of October 28, 2026, with a 570% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.01
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787645320
Dimensions8.22 × 8.60 × 5.73 mm
L/W Ratio1.05
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm8.60 mm4.01 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787645320
Side View
Table 65.0%Crown 35.5°Girdle: STK-THKPavilion 37.2°Culet: NoneDepth 69.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £889 GBP|Low: £461 GBP|High: £3,710 GBP|Avg: £1,406 GBP|-8.7%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 2£480 GBP
Retailer 15£537 GBP
Retailer 4£557 GBP
Retailer 16£623 GBP
Retailer 18£797 GBP
Retailer 3£816 GBP
Retailer 1£889 GBP
Retailer 11£891 GBP
Retailer 13£1,185 GBP
Retailer 14£1,200 GBP
Retailer 17£1,422 GBP
Retailer 5£1,440 GBP
Retailer 6£1,728 GBP
Retailer 8£1,858 GBP
Retailer 10£1,922 GBP
Retailer 9£1,990 GBP
Retailer 12£2,358 GBP
Retailer 7£3,597 GBP

40 data points across 18 retailers

25 retailers£537 GBP to £3,597 GBP

Retailer 1
-
£480 GBP
$639 USD
Price last confirmed 10 days ago
Retailer 2
-
£530 GBP
$706 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
£537 GBP
$715 USD
View
Final sale: no returns
Retailer 4
-
£557 GBP
$742 USD
View
Price last confirmed 10 days ago
Retailer 5
-
£557 GBP
$742 USD
View
Price last confirmed 13 days ago
Retailer 6
-
£577 GBP
$768 USD
View
Price last confirmed 35 days ago
Retailer 7
-
£607 GBP
$808 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
£623 GBP
$830 USD
View
B+
Retailer 9
-
£797 GBP
$1,062 USD
View
A
Retailer 10
-
£816 GBP
$1,086 USD
View
A
Retailer 11
-
£889 GBP
View
A
Retailer 12
-
£891 GBP
€1,130 EUR
View
A
Retailer 13
-
£1,185 GBP
ZAR 25,499 ZAR
View
Retailer 14
-
£1,200 GBP
A$2,459 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
£1,422 GBP
$1,894 USD
View
B+
Retailer 16
-
£1,440 GBP
$1,918 USD
View
B+
Retailer 17
-
£1,728 GBP
View
Retailer 18
-
£1,729 GBP
$2,302 USD
View
Price last confirmed 29 days ago
B+
Retailer 19
-
£1,858 GBP
$2,475 USD
View
B+
Retailer 20
-
£1,900 GBP
$2,530 USD
View
B+
Retailer 21
-
£1,922 GBP
$2,559 USD
View
B+
Retailer 22
-
£1,990 GBP
$2,650 USD
View
B+
Retailer 23
-
£2,358 GBP
View
B
Retailer 24
-
£3,597 GBP
$4,790 USD
View
Most Expensive
Queensmith
LG787645320 · Oct 16
£4,664 GBP
View
Price last confirmed 13 days ago
24 more retailers have this diamond
Prices start from £537 GBPSave up to £3,060 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
4.01ct Asscher
£537 GBP