Radiant|Lab Grown|IGI

3.09ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG797694746

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG797694746

Diamond specifications and retailer prices

From £356 GBP
$473 USD
As of October 28, 2026
Save £1,020 GBP (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,626 GBP at Rare Carat · As of August 20, 2026
View at Rare Carat

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797694746 or 797694746. Listed at 5 retailers as of October 28, 2026, with a 287% 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

3.09
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797694746
Dimensions10.21 × 7.07 × 4.82 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm7.07 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797694746
Side View
Table 65.0%Crown 44.8°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 68.2%

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 28
Current: £1,626 GBP|Low: £352 GBP|High: £2,348 GBP|Avg: £1,119 GBP
Rare Carat
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
October 27, 2026
Retailer 2£356 GBP
Retailer 14£455 GBP
Retailer 7£504 GBP
Retailer 12£616 GBP
Retailer 8£617 GBP
Retailer 13£683 GBP
Retailer 3£857 GBP
Retailer 6£1,041 GBP
Retailer 10£1,279 GBP
Retailer 4£1,318 GBP
Retailer 5£1,376 GBP
Rare Carat£1,626 GBP
Retailer 11£2,296 GBP
Retailer 9£2,348 GBP

5 data points across 14 retailers

5 retailers£356 GBP to £1,376 GBP

A
Cheapest Retailer
-
£356 GBP
$473 USD
Final sale: no returns
B+
Retailer 2
-
£504 GBP
$670 USD
View
B+
Retailer 3
-
£1,041 GBP
CA$1,921 CAD
View
B+
Retailer 4
-
£1,376 GBP
$1,829 USD
View
Most Expensive
B
Rare Carat
797694746 · Aug 20
£1,626 GBP
$2,161 USD
View
Price last confirmed 70 days ago
4 more retailers have this diamond
Prices start from £356 GBPSave up to £1,020 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 Radiant
£356 GBP