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Round|Lab Grown|IGI

3.51ct I VVS2 Round Lab Grown Diamond

ID • I/VVS2 • IGI LG774635441

Shape and cutting style on the report: Round brilliant

Certificate IGI LG774635441

Diamond specifications and retailer prices

From £419 GBP
$558 USD
As of October 29, 2026
Save £3,103 GBP (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,522 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG774635441 or 774635441. Listed at 18 retailers as of October 29, 2026, with prices from £419 to £3,522, a £3,103 spread on the same certified stone. Brilliant Earth lists it at £3,522. 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

3.51
Carat
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774635441
Dimensions9.72 × 9.74 × 6.03 mm
L/W Ratio1.00
Girdle conditionFaceted
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 Light Blue
Top View
9.72 mm9.74 mm3.51 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774635441
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.9%

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: £3,522 GBP|Low: £402 GBP|High: £3,627 GBP|Avg: £1,208 GBP|-2.9%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
October 29, 2026
Retailer 18£419 GBP
Retailer 8£469 GBP
Retailer 3£469 GBP
Retailer 4£520 GBP
Retailer 6£520 GBP
Retailer 13£620 GBP
Retailer 17£697 GBP
Retailer 2£698 GBP
Retailer 7£741 GBP
Retailer 11£757 GBP
Retailer 12£1,128 GBP
Retailer 16£1,340 GBP
Retailer 5£1,366 GBP
Retailer 10£1,684 GBP
Retailer 14£1,904 GBP
Retailer 15£2,267 GBP
Retailer 9£2,350 GBP
Brilliant Earth£3,522 GBP

36 data points across 18 retailers

18 retailers£419 GBP to £3,522 GBP

A
Cheapest Retailer
-
£419 GBP
$558 USD
A
Retailer 2
-
£469 GBP
$624 USD
View
Final sale: no returns
A
Retailer 3
-
£469 GBP
$625 USD
View
A
Retailer 4
-
£520 GBP
$692 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£520 GBP
$692 USD
View
A
Retailer 6
-
£620 GBP
$825 USD
View
B+
Retailer 7
-
£697 GBP
$928 USD
View
A
Retailer 8
-
£698 GBP
View
A
Retailer 9
-
£741 GBP
$987 USD
View
A
Retailer 10
-
£757 GBP
€960 EUR
View
B+
Retailer 11
-
£1,128 GBP
ZAR 24,269 ZAR
View
B
Retailer 12
-
£1,340 GBP
$1,785 USD
View
B+
Retailer 13
-
£1,366 GBP
$1,819 USD
View
B
Retailer 14
-
£1,684 GBP
$2,243 USD
View
B
Retailer 15
-
£1,904 GBP
$2,535 USD
View
B
Retailer 16
-
£2,267 GBP
View
Price last confirmed 11 days ago
B
Retailer 17
-
£2,350 GBP
$3,129 USD
View
Most Expensive
B
Brilliant Earth
21534164A · Oct 29
£3,522 GBP
$4,690 USD
View
17 more retailers have this diamond
Prices start from £419 GBPSave up to £3,103 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
3.51ct Round
£419 GBP