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Radiant|Lab Grown|IGI

6.12ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG617453024

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

Certificate IGI LG617453024

Diamond specifications and retailer prices

From £618 GBP
$829 USD
As of November 2, 2026
Save £4,956 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,574 GBP at Kay Jewelers · As of November 2, 2026
View at Kay Jewelers

About this 6.12ct lab-grown radiant diamond

This 6.12ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617453024 or 617453024. Listed at 11 retailers as of November 2, 2026, with prices from £618 to £5,574, a £4,956 spread on the same certified stone. Kay Jewelers lists it at £5,574. 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

6.12
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617453024
Dimensions13.14 × 8.89 × 6.01 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
13.14 mm8.89 mm6.12 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617453024
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 67.6%

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 2
Current: £5,574 GBP|Low: £618 GBP|High: £6,036 GBP|Avg: £2,583 GBP
Kay Jewelers
Retailer 2
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Retailer 18
October 31, 2026
Retailer 16£618 GBP
Retailer 13£672 GBP
Retailer 18£1,154 GBP
Retailer 11£1,155 GBP
Retailer 9£1,273 GBP
Retailer 7£1,304 GBP
Retailer 2£1,465 GBP
Retailer 14£1,647 GBP
Retailer 6£1,800 GBP
Retailer 3£1,850 GBP
Retailer 17£2,223 GBP
Retailer 5£2,408 GBP
Retailer 12£2,685 GBP
Retailer 4£3,099 GBP
Retailer 10£3,843 GBP
Retailer 8£4,650 GBP
Retailer 15£5,485 GBP
Kay Jewelers£5,574 GBP

17 data points across 18 retailers

11 retailers£618 GBP to £5,574 GBP

A
Cheapest Retailer
-
£618 GBP
$829 USD
A
Retailer 2
-
£672 GBP
$902 USD
View
B+
Retailer 3
-
£1,154 GBP
$1,548 USD
View
A
Retailer 4
-
£1,155 GBP
$1,550 USD
View
B+
Retailer 5
-
£1,465 GBP
A$3,025 AUD
View
A
Retailer 6
-
£1,647 GBP
$2,210 USD
View
B
Retailer 7
-
£2,223 GBP
$2,983 USD
View
Retailer 8
-
£2,685 GBP
View
Price last confirmed 8 days ago
B
Retailer 9
-
£4,650 GBP
$6,240 USD
View
B
Retailer 10
-
£5,485 GBP
$7,360 USD
View
Most Expensive
B
Kay Jewelers
250051469 · Nov 2
£5,574 GBP
$7,480 USD
View
10 more retailers have this diamond
Prices start from £618 GBPSave up to £4,956 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
6.12ct Radiant
£618 GBP