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Round|Lab Grown|IGI

3.40ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • IGI LG741567822

Shape and cutting style on the report: Round brilliant

Certificate IGI LG741567822

Diamond specifications and retailer prices

From £657 GBP
$875 USD
As of October 29, 2026
Save £2,214 GBP (77%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £8,666 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.4ct lab-grown round diamond

This 3.4ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG741567822 or 741567822. Listed at 25 retailers as of October 29, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.40
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741567822
Dimensions9.51 × 9.58 × 5.99 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
9.51 mm9.58 mm3.40 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741567822
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: £8,666 GBP|Low: £657 GBP|High: £8,666 GBP|Avg: £2,040 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 6£657 GBP
Retailer 8£762 GBP
Retailer 15£788 GBP
Retailer 13£894 GBP
Retailer 11£1,049 GBP
Retailer 2£1,164 GBP
Retailer 10£1,214 GBP
Retailer 12£1,225 GBP
Retailer 14£1,517 GBP
Retailer 5£1,605 GBP
Retailer 16£1,719 GBP
Retailer 9£1,769 GBP
Retailer 7£2,257 GBP
Retailer 4£2,872 GBP
Retailer 3£3,698 GBP
Brilliant Earth£8,666 GBP

28 data points across 16 retailers

25 retailers£657 GBP to £2,872 GBP

A
Cheapest Retailer
-
£657 GBP
$875 USD
A
Retailer 2
-
£715 GBP
$952 USD
View
A
Retailer 3
-
£762 GBP
$1,015 USD
View
A
Retailer 4
-
£762 GBP
$1,015 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
£788 GBP
$1,049 USD
View
Final sale: no returns
A
Retailer 6
-
£894 GBP
$1,190 USD
View
A
Retailer 7
-
£991 GBP
$1,320 USD
View
A
Retailer 8
-
£1,049 GBP
View
A
Retailer 9
-
£1,164 GBP
View
A
Retailer 10
-
£1,214 GBP
€1,540 EUR
View
B+
Retailer 11
-
£1,225 GBP
$1,631 USD
View
B+
Retailer 12
-
£1,517 GBP
A$3,108 AUD
View
B+
Retailer 13
-
£1,605 GBP
$2,137 USD
View
B+
Retailer 14
-
£1,642 GBP
$2,187 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
£1,719 GBP
A$3,522 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
£1,769 GBP
ZAR 38,062 ZAR
View
B+
Retailer 17
-
£1,854 GBP
$2,469 USD
View
B
Retailer 18
-
£2,142 GBP
$2,853 USD
View
B
Retailer 19
-
£2,257 GBP
$3,005 USD
View
B
Retailer 20
-
£2,384 GBP
$3,175 USD
View
B
Retailer 21
-
£2,513 GBP
$3,347 USD
View
B
Retailer 22
-
£2,644 GBP
$3,521 USD
View
B+
Retailer 23
-
£2,872 GBP
View
B
Retailer 24
-
£3,698 GBP
$4,925 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
16159814A · Oct 29
£8,666 GBP
$11,540 USD
View
Price under review
24 more retailers have this diamond
Prices start from £657 GBPSave up to £2,214 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
3.40ct Round
£657 GBP