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Asscher|Lab Grown|IGI

3.21ct H VS1 Asscher Lab Grown Diamond

ID • H/VS1 • IGI LG630456244

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG630456244

Diamond specifications and retailer prices

From £1,799 GBP
$2,410 USD
As of October 30, 2026
Save £16,467 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £18,266 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.21ct lab-grown asscher diamond

This 3.21ct lab-grown asscher sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG630456244 or 630456244. Listed at 10 retailers as of October 29, 2026, with prices from £1,799 to £18,266, a £16,467 spread on the same certified stone. Cape Diamonds lists it at £18,266. 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630456244
Dimensions7.96 × 7.91 × 5.52 mm
L/W Ratio1.01
Culet sizePointed
Top View
7.96 mm7.91 mm3.21 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630456244
Side View
Table 68.0%Crown 43.5°Girdle: MediumPavilion 43.1°Culet: NoneDepth 69.8%

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 30
Current: £18,266 GBP|Low: £1,799 GBP|High: £19,751 GBP|Avg: £10,159 GBP|-7.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7£1,799 GBP
Retailer 2£7,053 GBP
Retailer 12£7,263 GBP
Retailer 10£7,595 GBP
Retailer 9£7,866 GBP
Retailer 3£7,904 GBP
Retailer 8£9,098 GBP
Retailer 4£10,134 GBP
Retailer 11£11,272 GBP
Retailer 5£14,116 GBP
Retailer 6£18,204 GBP
Cape Diamonds£18,266 GBP

20 data points across 12 retailers

10 retailers£1,799 GBP to £18,266 GBP

A
Cheapest Retailer
-
£1,799 GBP
$2,410 USD
B
Retailer 2
-
£7,053 GBP
$9,450 USD
View
B
Retailer 3
-
£7,263 GBP
$9,732 USD
View
B
Retailer 4
-
£7,595 GBP
$10,177 USD
View
Final sale: no returns
Retailer 5
-
£7,866 GBP
$10,540 USD
View
Price last confirmed 15 days ago
B
Retailer 6
-
£9,098 GBP
$12,190 USD
View
B
Retailer 7
-
£11,272 GBP
View
B
Retailer 8
-
£14,116 GBP
View
Retailer 9
-
£18,204 GBP
A$37,526 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Cape Diamonds
cert_630456244 · Oct 29
£18,266 GBP
ZAR 395,383 ZAR
View
9 more retailers have this diamond
Prices start from £1,799 GBPSave up to £16,467 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
£1,799 GBP