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Round|Lab Grown|IGI

1.21ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG602381001

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602381001

Diamond specifications and retailer prices

From £128 GBP
$171 USD
As of October 29, 2026
Save £1,103 GBP (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,232 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG602381001 or 602381001. Listed at 22 retailers as of October 29, 2026, with prices from £128 to £1,232, a £1,103 spread on the same certified stone. Do Amore Diamonds lists it at £1,232. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602381001
Dimensions6.94 × 6.93 × 4.13 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
6.94 mm6.93 mm1.21 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602381001
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A+
Exceptional
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: £1,232 GBP|Low: £128 GBP|High: £1,232 GBP|Avg: £409 GBP
Do Amore Diamonds
Retailer 2
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October 30, 2026
Retailer 20£128 GBP
Retailer 5£143 GBP
Retailer 21£149 GBP
Retailer 3£158 GBP
Retailer 17£158 GBP
Retailer 10£215 GBP
Retailer 11£272 GBP
Retailer 6£294 GBP
Retailer 15£301 GBP
Retailer 2£317 GBP
Retailer 8£345 GBP
Retailer 14£404 GBP
Retailer 16£428 GBP
Retailer 7£445 GBP
Retailer 4£529 GBP
Retailer 19£563 GBP
Retailer 13£644 GBP
Retailer 12£693 GBP
Retailer 18£820 GBP
Retailer 9£827 GBP
Do Amore Diamonds£1,232 GBP

30 data points across 21 retailers

22 retailers£128 GBP to £1,232 GBP

A+
Cheapest Retailer
-
£128 GBP
$171 USD
A
Retailer 2
-
£143 GBP
$190 USD
View
Final sale: no returns
A
Retailer 3
-
£149 GBP
$198 USD
View
A
Retailer 4
-
£158 GBP
$211 USD
View
B+
Retailer 5
-
£215 GBP
$286 USD
View
Retailer 6
-
£260 GBP
HK$2,700 HKD
View
Price last confirmed 56 days ago
A
Retailer 7
-
£272 GBP
$362 USD
View
Retailer 8
-
£294 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
£301 GBP
ZAR 6,474 ZAR
View
A
Retailer 10
-
£317 GBP
View
B+
Retailer 11
-
£345 GBP
$460 USD
View
B+
Retailer 12
-
£404 GBP
A$828 AUD
View
B+
Retailer 13
-
£428 GBP
A$876 AUD
View
B+
Retailer 14
-
£445 GBP
$592 USD
View
Retailer 15
-
£514 GBP
$685 USD
View
Price last confirmed 31 days ago
Retailer 16
-
£529 GBP
$705 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
£563 GBP
$750 USD
View
B+
Retailer 18
-
£644 GBP
A$1,320 AUD
View
B
Retailer 19
-
£693 GBP
$923 USD
View
B
Retailer 20
-
£820 GBP
View
B
Retailer 21
-
£827 GBP
$1,101 USD
View
Most Expensive
B
Do Amore Diamonds
27-3421A9C9A · Oct 29
£1,232 GBP
$1,640 USD
View
21 more retailers have this diamond
Prices start from £128 GBPSave up to £1,103 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
£128 GBP