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Radiant|Lab Grown|IGI

2.56ct G VVS1 Radiant Lab Grown Diamond

ID • G/VVS1 • IGI LG850684685

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

Certificate IGI LG850684685

Diamond specifications and retailer prices

From £757 GBP
As of October 29, 2026
Save £1,169 GBP (61%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,926 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.56ct lab-grown radiant diamond

This 2.56ct lab-grown radiant sits in the two to three carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG850684685 or 850684685. Listed at 3 retailers as of October 28, 2026, with prices from £757 to £1,926, a £1,169 spread on the same certified stone. Brilliant Earth lists it at £1,926. 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

2.56
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850684685
Dimensions9.25 × 7.03 × 4.69 mm
L/W Ratio1.32
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.25 mm7.03 mm2.56 ctG / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850684685
Side View
Table 65.0%Crown 42.3°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,926 GBP|Low: £757 GBP|High: £1,926 GBP|Avg: £1,398 GBP
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3£757 GBP
Retailer 2£1,099 GBP
Brilliant Earth£1,926 GBP

3 data points across 3 retailers

3 retailers£757 GBP to £1,926 GBP

A
Cheapest Retailer
-
£757 GBP
B+
Retailer 2
-
£1,099 GBP
$1,473 USD
View
Most Expensive
B
Brilliant Earth
22340566A · Oct 28
£1,926 GBP
$2,580 USD
View
2 more retailers have this diamond
Prices start from £757 GBPSave up to £1,169 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
2.56ct Radiant
£757 GBP