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Round|Lab Grown|IGI

3.40ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG725503253

Shape and cutting style on the report: Round brilliant

Certificate IGI LG725503253

Diamond specifications and retailer prices

From £615 GBP
$819 USD
As of October 29, 2026
Save £5,603 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £8,613 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 LG725503253 or 725503253. Listed at 20 retailers as of October 29, 2026, with a 911% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725503253
Dimensions9.74 × 9.69 × 5.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.74 mm9.69 mm3.40 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725503253
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.7%

Caratlytics Score

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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: £8,613 GBP|Low: £439 GBP|High: £8,613 GBP|Avg: £2,386 GBP
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 20
October 29, 2026
Retailer 12£615 GBP
Retailer 20£700 GBP
Retailer 5£761 GBP
Retailer 8£958 GBP
Retailer 19£1,201 GBP
Retailer 13£1,233 GBP
Retailer 4£1,301 GBP
Retailer 14£1,365 GBP
Retailer 16£1,419 GBP
Retailer 6£1,465 GBP
Retailer 10£1,680 GBP
Retailer 18£1,806 GBP
Retailer 15£2,022 GBP
Retailer 2£3,056 GBP
Retailer 3£3,109 GBP
Retailer 17£3,683 GBP
Retailer 11£4,573 GBP
Retailer 9£5,689 GBP
Retailer 7£6,218 GBP
Brilliant Earth£8,613 GBP

42 data points across 20 retailers

20 retailers£615 GBP to £6,218 GBP

A
Cheapest Retailer
-
£615 GBP
$819 USD
Final sale: no returns
A
Retailer 2
-
£700 GBP
$932 USD
View
A
Retailer 3
-
£761 GBP
$1,014 USD
View
A
Retailer 4
-
£958 GBP
$1,276 USD
View
B+
Retailer 5
-
£1,201 GBP
$1,600 USD
View
A
Retailer 6
-
£1,233 GBP
View
B+
Retailer 7
-
£1,301 GBP
$1,733 USD
View
B+
Retailer 8
-
£1,365 GBP
€1,731 EUR
View
B+
Retailer 9
-
£1,419 GBP
A$2,908 AUD
View
B+
Retailer 10
-
£1,465 GBP
$1,951 USD
View
B+
Retailer 11
-
£1,680 GBP
$2,237 USD
View
B+
Retailer 12
-
£1,806 GBP
$2,405 USD
View
B
Retailer 13
-
£2,022 GBP
A$4,142 AUD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£3,056 GBP
View
B+
Retailer 15
-
£3,109 GBP
A$6,369 AUD
View
Price last confirmed 20 days ago
B
Retailer 16
-
£3,683 GBP
$4,905 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
£4,573 GBP
$6,090 USD
View
B
Retailer 18
-
£5,689 GBP
$7,576 USD
View
B
Retailer 19
-
£6,218 GBP
$8,280 USD
View
Most Expensive
B
Brilliant Earth
15290482Y · Oct 29
£8,613 GBP
$11,470 USD
View
Price under review
19 more retailers have this diamond
Prices start from £615 GBPSave up to £5,603 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
£615 GBP