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Round|Lab Grown|IGI

1.05ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG621447998

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621447998

Diamond specifications and retailer prices

From £122 GBP
$163 USD
As of October 29, 2026
Save £1,280 GBP (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,402 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG621447998 or 621447998. Listed at 23 retailers as of October 27, 2026, with prices from £122 to £1,402, a £1,280 spread on the same certified stone. Queensmith lists it at £1,402. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621447998
Dimensions6.55 × 6.59 × 3.96 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
6.55 mm6.59 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621447998
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.2%

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: £266 GBP|Low: £117 GBP|High: £822 GBP|Avg: £344 GBP|-11.3%
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October 29, 2026
Retailer 22£122 GBP
Retailer 8£137 GBP
Retailer 14£142 GBP
Retailer 5£152 GBP
Retailer 6£152 GBP
Retailer 2£173 GBP
Retailer 9£204 GBP
Retailer 12£255 GBP
Retailer 17£260 GBP
Retailer 1£266 GBP
Retailer 3£273 GBP
Retailer 16£283 GBP
Retailer 7£334 GBP
Retailer 18£369 GBP
Retailer 20£394 GBP
Retailer 15£415 GBP
Retailer 11£487 GBP
Retailer 13£495 GBP
Retailer 4£528 GBP
Retailer 19£710 GBP
Retailer 10£807 GBP
Retailer 21£819 GBP

32 data points across 22 retailers

23 retailers£122 GBP to £1,402 GBP

A
Cheapest Retailer
-
£122 GBP
$163 USD
A
Retailer 2
-
£137 GBP
$182 USD
View
Final sale: no returns
A
Retailer 3
-
£142 GBP
$189 USD
View
A
Retailer 4
-
£152 GBP
$202 USD
View
A
Retailer 5
-
£152 GBP
$202 USD
View
A
Retailer 6
-
£173 GBP
HK$1,800 HKD
View
B+
Retailer 7
-
£204 GBP
$272 USD
View
A
Retailer 8
-
£255 GBP
View
A
Retailer 9
-
£260 GBP
ZAR 5,599 ZAR
View
A
Retailer 10
-
£266 GBP
View
A
Retailer 11
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£273 GBP
$364 USD
View
A
Retailer 12
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£283 GBP
€359 EUR
View
B+
Retailer 13
-
£334 GBP
$445 USD
View
B+
Retailer 14
-
£369 GBP
A$757 AUD
View
B+
Retailer 15
-
£394 GBP
$525 USD
View
B+
Retailer 16
-
£415 GBP
SGD 746 SGD
View
B+
Retailer 17
-
£487 GBP
$649 USD
View
B
Retailer 18
-
£495 GBP
$659 USD
View
B
Retailer 19
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£528 GBP
$704 USD
View
B
Retailer 20
-
£710 GBP
View
B
Retailer 21
-
£807 GBP
$1,075 USD
View
B
Retailer 22
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£819 GBP
$1,090 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Queensmith
LG621447998 · Oct 27
£1,402 GBP
View
22 more retailers have this diamond
Prices start from £122 GBPSave up to £1,280 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
1.05ct Round
£122 GBP