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Asscher|Lab Grown|IGI

3.21ct D VVS1 Asscher Lab Grown Diamond

ID • D/VVS1 • IGI LG840619430

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840619430

Diamond specifications and retailer prices

From £590 GBP
$791 USD
As of October 29, 2026
Save £3,485 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,075 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.21ct lab-grown asscher diamond

This 3.21ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840619430 or 840619430. Listed at 18 retailers as of October 29, 2026, with prices from £590 to £4,075, a £3,485 spread on the same certified stone. Brilliant Earth lists it at £4,075. 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

3.21
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840619430
Dimensions8.23 × 8.22 × 5.32 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
8.23 mm8.22 mm3.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840619430
Side View
Table 63.0%Crown 30.6°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 64.7%

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: £4,075 GBP|Low: £590 GBP|High: £7,142 GBP|Avg: £1,919 GBP|-42.9%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 18
October 31, 2026
Retailer 18£590 GBP
Retailer 6£743 GBP
Retailer 12£784 GBP
Retailer 14£973 GBP
Retailer 13£980 GBP
Retailer 17£993 GBP
Retailer 2£1,373 GBP
Retailer 11£1,381 GBP
Retailer 15£1,420 GBP
Retailer 5£1,637 GBP
Retailer 3£1,899 GBP
Retailer 9£1,981 GBP
Retailer 8£2,057 GBP
Retailer 4£2,108 GBP
Retailer 16£2,179 GBP
Retailer 7£2,405 GBP
Retailer 10£3,127 GBP
Brilliant Earth£4,075 GBP

16 data points across 18 retailers

18 retailers£590 GBP to £4,075 GBP

A
Cheapest Retailer
-
£590 GBP
$791 USD
Final sale: no returns
A
Retailer 2
-
£743 GBP
$995 USD
View
A
Retailer 3
-
£784 GBP
View
A
Retailer 4
-
£973 GBP
€1,242 EUR
View
A
Retailer 5
-
£980 GBP
View
A
Retailer 6
-
£993 GBP
$1,331 USD
View
A
Retailer 7
-
£1,373 GBP
$1,840 USD
View
A
Retailer 8
-
£1,381 GBP
A$2,847 AUD
View
A
Retailer 9
-
£1,420 GBP
ZAR 30,732 ZAR
View
B+
Retailer 10
-
£1,637 GBP
$2,194 USD
View
B+
Retailer 11
-
£1,899 GBP
View
B+
Retailer 12
-
£1,981 GBP
$2,654 USD
View
B+
Retailer 13
-
£2,057 GBP
SGD 3,725 SGD
View
B+
Retailer 14
-
£2,108 GBP
$2,825 USD
View
B+
Retailer 15
-
£2,179 GBP
$2,920 USD
View
B+
Retailer 16
-
£2,405 GBP
View
Retailer 17
-
£3,127 GBP
$4,190 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
22142623A · Oct 30
£4,075 GBP
$5,460 USD
View
17 more retailers have this diamond
Prices start from £590 GBPSave up to £3,485 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
3.21ct Asscher
£590 GBP