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Round|Lab Grown|IGI

7.21ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG588372623

Shape and cutting style on the report: Round brilliant

Certificate IGI LG588372623

Diamond specifications and retailer prices

From £703 GBP
$942 USD
As of October 29, 2026
Save £2,991 GBP (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,694 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 7.21ct lab-grown round diamond

This 7.21ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG588372623 or 588372623. Listed at 16 retailers as of October 29, 2026, with prices from £703 to £3,694, a £2,991 spread on the same certified stone. Brilliant Earth lists it at £3,694. 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

7.21
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588372623
Dimensions12.48 × 12.41 × 7.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.48 mm12.41 mm7.21 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588372623
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

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 29
Current: £3,694 GBP|Low: £537 GBP|High: £3,860 GBP|Avg: £1,654 GBP|-3.1%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 4£703 GBP
Retailer 9£751 GBP
Retailer 13£765 GBP
Retailer 15£816 GBP
Retailer 17£816 GBP
Retailer 5£1,197 GBP
Retailer 16£1,268 GBP
Retailer 7£1,307 GBP
Retailer 12£1,310 GBP
Retailer 10£1,344 GBP
Retailer 14£1,758 GBP
Retailer 6£2,133 GBP
Retailer 3£2,293 GBP
Retailer 2£2,781 GBP
Retailer 8£2,838 GBP
Retailer 11£3,086 GBP
Brilliant Earth£3,694 GBP

35 data points across 17 retailers

16 retailers£703 GBP to £3,694 GBP

A
Cheapest Retailer
-
£703 GBP
$942 USD
A
Retailer 2
-
£765 GBP
$1,025 USD
View
Retailer 3
-
£816 GBP
$1,093 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£816 GBP
$1,093 USD
View
A
Retailer 5
-
£1,197 GBP
$1,604 USD
View
Retailer 6
-
£1,268 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£1,307 GBP
$1,751 USD
View
B+
Retailer 8
-
£1,310 GBP
$1,755 USD
View
B+
Retailer 9
-
£1,344 GBP
€1,715 EUR
View
B+
Retailer 10
-
£1,758 GBP
$2,355 USD
View
B
Retailer 11
-
£2,133 GBP
$2,858 USD
View
B+
Retailer 12
-
£2,293 GBP
$3,073 USD
View
B
Retailer 13
-
£2,781 GBP
View
Retailer 14
-
£2,838 GBP
$3,802 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
£3,086 GBP
$4,135 USD
View
Most Expensive
B
Brilliant Earth
7670309A · Oct 29
£3,694 GBP
$4,950 USD
View
15 more retailers have this diamond
Prices start from £703 GBPSave up to £2,991 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
7.21ct Round
£703 GBP