Radiant|Lab Grown|IGI

3.15ct H VVS2 Radiant Lab Grown Diamond

ID • H/VVS2 • IGI LG591332535

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

Certificate IGI LG591332535

Diamond specifications and retailer prices

From £420 GBP
HK$4,400 HKD
As of November 1, 2026
Save £1,505 GBP (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,926 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.15ct lab-grown radiant diamond

This 3.15ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG591332535 or 591332535. Listed at 18 retailers as of October 31, 2026, with prices from £420 to £1,926, a £1,505 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

3.15
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591332535
Dimensions10.73 × 7.23 × 4.76 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.73 mm7.23 mm3.15 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591332535
Side View
Table 65.0%Crown 44.2°Girdle: MediumPavilion 35.3°Culet: NoneDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,926 GBP|Low: £309 GBP|High: £2,396 GBP|Avg: £973 GBP|-19.6%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
November 2, 2026
Retailer 10£309 GBP
Retailer 7£343 GBP
Retailer 17£420 GBP
Retailer 18£489 GBP
Retailer 4£600 GBP
Retailer 14£602 GBP
Retailer 11£786 GBP
Retailer 19£801 GBP
Retailer 15£821 GBP
Retailer 13£828 GBP
Retailer 2£829 GBP
Retailer 3£1,211 GBP
Retailer 16£1,250 GBP
Retailer 5£1,258 GBP
Retailer 8£1,297 GBP
Retailer 9£1,331 GBP
Retailer 12£1,488 GBP
Retailer 6£1,515 GBP
Brilliant Earth£1,926 GBP

24 data points across 19 retailers

18 retailers£420 GBP to £1,926 GBP

Retailer 1
-
£276 GBP
$370 USD
Price last confirmed 33 days ago
Retailer 2
-
£321 GBP
$430 USD
View
Price last confirmed 35 days ago
Retailer 3
-
£338 GBP
$453 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
£420 GBP
HK$4,400 HKD
View
A
Retailer 5
-
£489 GBP
$655 USD
View
B+
Retailer 6
-
£602 GBP
$806 USD
View
A
Retailer 7
-
£801 GBP
A$1,652 AUD
View
A
Retailer 8
-
£821 GBP
$1,100 USD
View
A
Retailer 9
-
£828 GBP
$1,110 USD
View
A
Retailer 10
-
£829 GBP
ZAR 17,955 ZAR
View
Retailer 11
-
£922 GBP
$1,235 USD
View
Price last confirmed 32 days ago
Retailer 12
-
£1,102 GBP
$1,476 USD
View
Price last confirmed 32 days ago
B+
Retailer 13
-
£1,211 GBP
SGD 2,192 SGD
View
B+
Retailer 14
-
£1,250 GBP
$1,675 USD
View
B+
Retailer 15
-
£1,258 GBP
$1,685 USD
View
B+
Retailer 16
-
£1,488 GBP
View
Retailer 17
-
£1,515 GBP
$2,030 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
22350268A · Oct 31
£1,926 GBP
$2,580 USD
View
17 more retailers have this diamond
Prices start from £420 GBPSave up to £1,505 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
3.15ct Radiant
£420 GBP