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Cushion|Lab Grown|IGI

3.21ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG570370557

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG570370557

Diamond specifications and retailer prices

From £822 GBP
$1,101 USD
As of November 1, 2026
Save £4,729 GBP (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,550 GBP at Ting Diamond · As of November 1, 2026
View at Ting Diamond

About this 3.21ct lab-grown cushion diamond

This 3.21ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG570370557 or 570370557. Listed at 8 retailers as of November 1, 2026, with prices from £822 to £5,550, a £4,729 spread on the same certified stone. Ting Diamond lists it at £5,550. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570370557
Dimensions7.74 × 9.42 × 5.17 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.74 mm9.42 mm3.21 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570370557
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 31.6°Culet: NoneDepth 66.8%

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: Nov 1
Current: £2,489 GBP|Low: £591 GBP|High: £5,550 GBP|Avg: £2,081 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Ting Diamond
November 1, 2026
Retailer 4£591 GBP
Retailer 7£822 GBP
Retailer 5£961 GBP
Retailer 3£963 GBP
Retailer 2£1,597 GBP
Retailer 6£1,831 GBP
Retailer 1£2,489 GBP
Ting Diamond£5,550 GBP

21 data points across 8 retailers

8 retailers£822 GBP to £5,550 GBP

Retailer 1
-
£591 GBP
$792 USD
Price last confirmed 17 days ago
A
Retailer 2
-
£822 GBP
$1,101 USD
View
A
Retailer 3
-
£961 GBP
$1,288 USD
View
A
Retailer 4
-
£963 GBP
$1,290 USD
View
B+
Retailer 5
-
£1,597 GBP
$2,140 USD
View
B+
Retailer 6
-
£1,831 GBP
View
B
Retailer 7
-
£2,489 GBP
View
Most Expensive
B
Ting Diamond
9165338 · Nov 1
£5,550 GBP
HK$58,100 HKD
View
7 more retailers have this diamond
Prices start from £822 GBPSave up to £4,729 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 Cushion
£822 GBP