Round|Lab Grown|IGI

3.09ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG506177744

Shape and cutting style on the report: Round brilliant

Certificate IGI LG506177744

Diamond specifications and retailer prices

From £528 GBP
$707 USD
As of October 29, 2026
Save £1,889 GBP (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,417 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG506177744 or 506177744. Listed at 14 retailers as of October 29, 2026, with prices from £528 to £2,417, a £1,889 spread on the same certified stone. MOH London lists it at £2,417. 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

3.09
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506177744
Dimensions9.36 × 9.32 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.36 mm9.32 mm3.09 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506177744
Side View
Table 56.5%Crown 34.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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: £2,417 GBP|Low: £528 GBP|High: £2,433 GBP|Avg: £1,258 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6£528 GBP
Retailer 9£590 GBP
Retailer 8£838 GBP
Retailer 10£925 GBP
Retailer 5£925 GBP
Retailer 7£995 GBP
Retailer 3£1,370 GBP
Retailer 2£1,421 GBP
Retailer 4£1,508 GBP
Retailer 11£2,111 GBP
MOH London£2,417 GBP

22 data points across 11 retailers

14 retailers£528 GBP to £2,417 GBP

A
Cheapest Retailer
-
£528 GBP
$707 USD
A
Retailer 2
-
£574 GBP
$769 USD
View
A
Retailer 3
-
£590 GBP
$791 USD
View
Final sale: no returns
A
Retailer 4
-
£612 GBP
$820 USD
View
Retailer 5
-
£612 GBP
$820 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£838 GBP
$1,123 USD
View
B+
Retailer 7
-
£925 GBP
$1,239 USD
View
B+
Retailer 8
-
£925 GBP
$1,240 USD
View
B+
Retailer 9
-
£995 GBP
$1,333 USD
View
B
Retailer 10
-
£1,421 GBP
ZAR 30,765 ZAR
View
B
Retailer 11
-
£1,508 GBP
$2,020 USD
View
B
Retailer 12
-
£1,721 GBP
$2,306 USD
View
B
Retailer 13
-
£2,111 GBP
$2,828 USD
View
Most Expensive
B
MOH London
LG506177744 · Oct 29
£2,417 GBP
View
13 more retailers have this diamond
Prices start from £528 GBPSave up to £1,889 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
3.09ct Round
£528 GBP