Radiant|Lab Grown|IGI

3.09ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG805681137

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

Certificate IGI LG805681137

Diamond specifications and retailer prices

From £620 GBP
$831 USD
As of October 30, 2026
Save £1,003 GBP (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,623 GBP at Rare Carat · As of October 28, 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 LG805681137 or 805681137. Listed at 8 retailers as of October 28, 2026, with prices from £620 to £1,623, a £1,003 spread on the same certified stone. Rare Carat lists it at £1,623. 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 angle41.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805681137
Dimensions10.60 × 7.01 × 4.81 mm
L/W Ratio1.51
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.60 mm7.01 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805681137
Side View
Table 65.0%Crown 41.9°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 68.6%

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 30
Current: £1,623 GBP|Low: £602 GBP|High: £1,638 GBP|Avg: £928 GBP|-0.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5£620 GBP
Retailer 4£647 GBP
Retailer 2£648 GBP
Retailer 8£675 GBP
Retailer 6£803 GBP
Retailer 7£1,287 GBP
Retailer 3£1,451 GBP
Rare Carat£1,623 GBP

41 data points across 8 retailers

8 retailers£620 GBP to £1,623 GBP

B+
Cheapest Retailer
-
£620 GBP
$831 USD
Retailer 2
-
£647 GBP
€826 EUR
View
Price last confirmed 7 days ago
A
Retailer 3
-
£648 GBP
View
A
Retailer 4
-
£675 GBP
$905 USD
View
A
Retailer 5
-
£803 GBP
$1,076 USD
View
B+
Retailer 6
-
£1,287 GBP
$1,725 USD
View
B+
Retailer 7
-
£1,451 GBP
View
Most Expensive
B
Rare Carat
DGD-DNG-17582 · Oct 28
£1,623 GBP
$2,175 USD
View
7 more retailers have this diamond
Prices start from £620 GBPSave up to £1,003 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
£620 GBP