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Asscher|Lab Grown|IGI

3.21ct D IF Asscher Lab Grown Diamond

EX • D/IF • IGI LG831606324

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831606324

Diamond specifications and retailer prices

From £2,149 GBP
$2,880 USD
As of October 29, 2026
Save £5,926 GBP (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £8,075 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831606324 or 831606324. Listed at 16 retailers as of October 29, 2026, with prices from £2,149 to £8,075, a £5,926 spread on the same certified stone. Brilliant Earth lists it at £8,075. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831606324
Dimensions8.32 × 8.25 × 5.39 mm
L/W Ratio1.01
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
8.32 mm8.25 mm3.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831606324
Side View
Table 62.0%Crown 35.1°Girdle: MediumPavilion 41.8°Culet: NoneDepth 65.3%

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: £8,075 GBP|Low: £2,149 GBP|High: £9,456 GBP|Avg: £5,204 GBP|-14.6%
Brilliant Earth
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
October 30, 2026
Retailer 16£2,149 GBP
Retailer 14£2,347 GBP
Retailer 2£2,657 GBP
Retailer 7£2,737 GBP
Retailer 9£3,000 GBP
Retailer 13£3,181 GBP
Retailer 3£3,267 GBP
Retailer 11£3,540 GBP
Retailer 15£4,220 GBP
Retailer 10£5,170 GBP
Retailer 8£5,624 GBP
Retailer 5£5,656 GBP
Retailer 12£5,992 GBP
Retailer 4£7,462 GBP
Retailer 6£7,766 GBP
Brilliant Earth£8,075 GBP

42 data points across 16 retailers

16 retailers£2,149 GBP to £8,075 GBP

A
Cheapest Retailer
-
£2,149 GBP
$2,880 USD
Final sale: no returns
A
Retailer 2
-
£2,347 GBP
$3,145 USD
View
A
Retailer 3
-
£2,657 GBP
View
A
Retailer 4
-
£2,737 GBP
$3,667 USD
View
A
Retailer 5
-
£3,000 GBP
View
A
Retailer 6
-
£3,181 GBP
$4,262 USD
View
A
Retailer 7
-
£3,267 GBP
$4,377 USD
View
A
Retailer 8
-
£3,540 GBP
€4,517 EUR
View
B+
Retailer 9
-
£4,220 GBP
View
B+
Retailer 10
-
£5,170 GBP
ZAR 111,903 ZAR
View
Retailer 11
-
£5,624 GBP
A$11,594 AUD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
£5,656 GBP
$7,578 USD
View
B+
Retailer 13
-
£5,992 GBP
View
B
Retailer 14
-
£7,462 GBP
SGD 13,511 SGD
View
B
Retailer 15
-
£7,766 GBP
$10,405 USD
View
Most Expensive
B
Brilliant Earth
21291936A · Oct 30
£8,075 GBP
$10,820 USD
View
15 more retailers have this diamond
Prices start from £2,149 GBPSave up to £5,926 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
£2,149 GBP