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Round|Lab Grown|IGI

1.21ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG710543324

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710543324

Diamond specifications and retailer prices

From £139 GBP
$185 USD
As of October 29, 2026
Save £721 GBP (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £860 GBP at Reve Diamonds · As of October 28, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG710543324 or 710543324. Listed at 23 retailers as of October 28, 2026, with prices from £139 to £860, a £721 spread on the same certified stone. Reve Diamonds lists it at £860. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710543324
Dimensions6.83 × 6.86 × 4.24 mm
L/W Ratio1.00
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
6.83 mm6.86 mm1.21 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710543324
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: £310 GBP|Low: £109 GBP|High: £860 GBP|Avg: £426 GBP|+7.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
October 29, 2026
Retailer 6£139 GBP
Retailer 16£155 GBP
Retailer 17£161 GBP
Retailer 2£172 GBP
Retailer 19£172 GBP
Retailer 11£294 GBP
Retailer 3£303 GBP
Retailer 1£310 GBP
Retailer 13£331 GBP
Retailer 18£357 GBP
Retailer 14£375 GBP
Retailer 8£380 GBP
Retailer 4£459 GBP
Retailer 15£505 GBP
Retailer 9£518 GBP
Retailer 7£553 GBP
Retailer 10£592 GBP
Retailer 5£594 GBP
Retailer 12£810 GBP
Reve Diamonds£860 GBP

45 data points across 20 retailers

23 retailers£139 GBP to £860 GBP

A
Retailer 1
-
£137 GBP
$183 USD
Price last confirmed 37 days ago
A
Retailer 2
-
£139 GBP
$185 USD
View
A
Retailer 3
-
£155 GBP
$206 USD
View
Final sale: no returns
A
Retailer 4
-
£161 GBP
$215 USD
View
A
Retailer 5
-
£168 GBP
$224 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
£172 GBP
$229 USD
View
A
Retailer 7
-
£172 GBP
$229 USD
View
A
Retailer 8
-
£294 GBP
$392 USD
View
B+
Retailer 9
-
£303 GBP
$404 USD
View
B+
Retailer 10
-
£310 GBP
View
B+
Retailer 11
-
£331 GBP
€420 EUR
View
B+
Retailer 12
-
£357 GBP
$476 USD
View
B+
Retailer 13
-
£375 GBP
$500 USD
View
B+
Retailer 14
-
£380 GBP
A$778 AUD
View
B
Retailer 15
-
£459 GBP
$611 USD
View
B
Retailer 16
-
£505 GBP
A$1,034 AUD
View
B
Retailer 17
-
£518 GBP
$690 USD
View
B
Retailer 18
-
£549 GBP
$731 USD
View
Price last confirmed 38 days ago
B
Retailer 19
-
£553 GBP
$737 USD
View
B
Retailer 20
-
£594 GBP
$791 USD
View
B
Retailer 21
-
£604 GBP
$805 USD
View
B
Retailer 22
-
£810 GBP
View
Most Expensive
B
Reve Diamonds
9502700D4 · Oct 28
£860 GBP
$1,146 USD
View
22 more retailers have this diamond
Prices start from £139 GBPSave up to £721 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
£139 GBP