Radiant|Lab Grown|IGI

1.23ct G VVS2 Radiant Lab Grown Diamond

VG • G/VVS2 • IGI LG617406715

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

Certificate IGI LG617406715

Diamond specifications and retailer prices

From £195 GBP
As of October 29, 2026
Save £916 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,111 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG617406715 or 617406715. Listed at 10 retailers as of October 29, 2026, with prices from £195 to £1,111, a £916 spread on the same certified stone. Do Amore Diamonds lists it at £1,111. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
G
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617406715
Dimensions7.54 × 5.30 × 3.62 mm
L/W Ratio1.42
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
7.54 mm5.30 mm1.23 ctG / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617406715
Side View
Table 63.0%Crown 40.4°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,111 GBP|Low: £97 GBP|High: £1,163 GBP|Avg: £422 GBP|-4.5%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 15
October 29, 2026
Retailer 12£116 GBP
Retailer 15£133 GBP
Retailer 10£135 GBP
Retailer 8£195 GBP
Retailer 14£261 GBP
Retailer 3£288 GBP
Retailer 7£303 GBP
Retailer 5£327 GBP
Retailer 6£381 GBP
Retailer 9£387 GBP
Retailer 11£488 GBP
Retailer 13£510 GBP
Retailer 4£671 GBP
Retailer 2£746 GBP
Do Amore Diamonds£1,111 GBP

39 data points across 15 retailers

10 retailers£195 GBP to £1,111 GBP

Retailer 1
-
£116 GBP
Price last confirmed 8 days ago
Retailer 2
-
£135 GBP
View
Price last confirmed 7 days ago
A
Retailer 3
-
£195 GBP
View
Retailer 4
-
£261 GBP
View
Price last confirmed 7 days ago
Retailer 5
-
£387 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
£488 GBP
View
Price last confirmed 9 days ago
B
Retailer 7
-
£510 GBP
View
B
Retailer 8
-
£633 GBP
View
B
Retailer 9
-
£746 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D4C5B03F6 · Oct 29
£1,111 GBP
$1,500 USD
View
9 more retailers have this diamond
Prices start from £195 GBPSave up to £916 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
1.23ct Radiant
£195 GBP