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Radiant|Lab Grown|IGI

3.09ct F VVS1 Radiant Lab Grown Diamond

EX • F/VVS1 • IGI LG770675823

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

Certificate IGI LG770675823

Diamond specifications and retailer prices

From £394 GBP
As of November 4, 2026
Save £2,102 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,496 GBP at Rare Carat · As of November 1, 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770675823 or 770675823. Listed at 21 retailers as of November 1, 2026, with prices from £394 to £2,496, a £2,102 spread on the same certified stone. Rare Carat lists it at £2,496. 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
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle29.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770675823
Dimensions10.44 × 7.25 × 4.54 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
10.44 mm7.25 mm3.09 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770675823
Side View
Table 66.0%Crown 42.8°Girdle: MediumPavilion 29.5°Culet: NoneDepth 62.6%

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: Nov 4
Current: £2,496 GBP|Low: £384 GBP|High: £2,533 GBP|Avg: £1,054 GBP|-1.5%
Rare Carat
Retailer 2
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Retailer 20
November 5, 2026
Retailer 16£394 GBP
Retailer 7£441 GBP
Retailer 4£441 GBP
Retailer 9£488 GBP
Retailer 12£497 GBP
Retailer 14£529 GBP
Retailer 3£589 GBP
Retailer 13£750 GBP
Retailer 18£755 GBP
Retailer 11£1,050 GBP
Retailer 10£1,079 GBP
Retailer 8£1,261 GBP
Retailer 17£1,284 GBP
Retailer 5£1,319 GBP
Retailer 15£1,422 GBP
Retailer 20£1,573 GBP
Retailer 6£1,587 GBP
Retailer 19£1,668 GBP
Retailer 2£2,033 GBP
Rare Carat£2,496 GBP

40 data points across 20 retailers

21 retailers£394 GBP to £2,496 GBP

A
Cheapest Retailer
-
£394 GBP
A
Retailer 2
-
£441 GBP
View
Final sale: no returns
A
Retailer 3
-
£441 GBP
View
A
Retailer 4
-
£488 GBP
View
Retailer 5
-
£497 GBP
View
Price last confirmed 20 days ago
A
Retailer 6
-
£529 GBP
View
A
Retailer 7
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£589 GBP
View
A
Retailer 8
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£704 GBP
View
A
Retailer 9
-
£750 GBP
View
A
Retailer 10
-
£755 GBP
View
A
Retailer 11
-
£1,050 GBP
View
A
Retailer 12
-
£1,079 GBP
View
B+
Retailer 13
-
£1,261 GBP
View
B+
Retailer 14
-
£1,284 GBP
View
B+
Retailer 15
-
£1,319 GBP
View
B+
Retailer 16
-
£1,422 GBP
View
B+
Retailer 17
-
£1,573 GBP
View
B+
Retailer 18
-
£1,587 GBP
View
B+
Retailer 19
-
£1,668 GBP
View
B
Retailer 20
-
£2,033 GBP
View
Most Expensive
B
Rare Carat
MK52-64_l_770675823 · Nov 1
£2,496 GBP
$3,370 USD
View
20 more retailers have this diamond
Prices start from £394 GBPSave up to £2,102 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
£394 GBP