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Radiant|Lab Grown|IGI

3.07ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG687591751

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

Certificate IGI LG687591751

Diamond specifications and retailer prices

From £370 GBP
$491 USD
As of October 27, 2026
Save £837 GBP (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,206 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 3.07ct lab-grown radiant diamond

This 3.07ct 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 LG687591751 or 687591751. Listed at 5 retailers as of October 27, 2026, with prices from £370 to £1,206, a £837 spread on the same certified stone. NZ Jewellers lists it at £1,206. 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

3.07
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687591751
Dimensions10.43 × 7.17 × 4.84 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.43 mm7.17 mm3.07 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687591751
Side View
Table 63.0%Crown 38.8°Girdle: MediumPavilion 34°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £370 GBP|Low: £355 GBP|High: £2,717 GBP|Avg: £937 GBP|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
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Retailer 11
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Retailer 14
October 8, 2026
Retailer 1£370 GBP
Retailer 4£422 GBP
Retailer 7£458 GBP
Retailer 9£489 GBP
Retailer 2£508 GBP
Retailer 13£533 GBP
Retailer 11£644 GBP
Retailer 3£762 GBP
Retailer 10£866 GBP
Retailer 5£1,002 GBP
Retailer 12£1,365 GBP
Retailer 14£1,401 GBP
Retailer 6£1,436 GBP
Retailer 8£2,717 GBP

3 data points across 14 retailers

5 retailers£370 GBP to £1,206 GBP

A
Cheapest Retailer
-
£370 GBP
$491 USD
A
Retailer 2
-
£414 GBP
$550 USD
View
A
Retailer 3
-
£458 GBP
$609 USD
View
A
Retailer 4
-
£458 GBP
$609 USD
View
Price last confirmed 12 days ago
Most Expensive
B+
NZ Jewellers
32e31116-22f6-4b19-ac38-297df06b886b · Oct 28
£1,206 GBP
$1,603 USD
View
4 more retailers have this diamond
Prices start from £370 GBPSave up to £837 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
3.07ct Radiant
£370 GBP