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Round|Lab Grown|IGI

1.21ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG581319557

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581319557

Diamond specifications and retailer prices

From £131 GBP
$176 USD
As of October 29, 2026
Save £702 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £834 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG581319557 or 581319557. Listed at 22 retailers as of October 29, 2026, with prices from £131 to £834, a £702 spread on the same certified stone. Reve Diamonds lists it at £834. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581319557
Dimensions6.79 × 6.85 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.79 mm6.85 mm1.21 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581319557
Side View
Table 58.0%Crown 34.5°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 61.7%

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: £163 GBP|Low: £126 GBP|High: £834 GBP|Avg: £375 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
October 31, 2026
Retailer 17£131 GBP
Retailer 6£146 GBP
Retailer 14£152 GBP
Retailer 1£163 GBP
Retailer 10£220 GBP
Retailer 5£270 GBP
Retailer 15£273 GBP
Retailer 2£280 GBP
Retailer 16£291 GBP
Retailer 11£373 GBP
Retailer 3£397 GBP
Retailer 8£404 GBP
Retailer 13£406 GBP
Retailer 12£524 GBP
Retailer 9£529 GBP
Retailer 7£544 GBP
Retailer 4£763 GBP
Reve Diamonds£834 GBP

41 data points across 18 retailers

22 retailers£131 GBP to £834 GBP

A
Cheapest Retailer
-
£131 GBP
$176 USD
A
Retailer 2
-
£146 GBP
$196 USD
View
Final sale: no returns
A
Retailer 3
-
£152 GBP
$204 USD
View
Retailer 4
-
£163 GBP
$218 USD
View
A
Retailer 5
-
£163 GBP
$218 USD
View
B+
Retailer 6
-
£220 GBP
$295 USD
View
A
Retailer 7
-
£270 GBP
€345 EUR
View
A
Retailer 8
-
£273 GBP
View
A
Retailer 9
-
£280 GBP
ZAR 6,054 ZAR
View
A
Retailer 10
-
£291 GBP
View
A
Retailer 11
-
£304 GBP
$407 USD
View
B+
Retailer 12
-
£322 GBP
$431 USD
View
B+
Retailer 13
-
£373 GBP
A$768 AUD
View
B+
Retailer 14
-
£397 GBP
A$819 AUD
View
B+
Retailer 15
-
£404 GBP
$541 USD
View
B+
Retailer 16
-
£406 GBP
$544 USD
View
B
Retailer 17
-
£524 GBP
$702 USD
View
B
Retailer 18
-
£540 GBP
$723 USD
View
Retailer 19
-
£544 GBP
A$1,122 AUD
View
Price last confirmed 26 days ago
B
Retailer 20
-
£564 GBP
$756 USD
View
B
Retailer 21
-
£763 GBP
View
Most Expensive
B
Reve Diamonds
8BA9C58AC · Oct 30
£834 GBP
$1,117 USD
View
21 more retailers have this diamond
Prices start from £131 GBPSave up to £702 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
1.21ct Round
£131 GBP