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Radiant|Lab Grown|IGI

1.25ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG561288516

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

Certificate IGI LG561288516

Diamond specifications and retailer prices

From £127 GBP
$170 USD
As of November 2, 2026
Save £691 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £818 GBP at Flawless Fine Jewelry · As of November 3, 2026
View at Flawless Fine Jewelry

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG561288516 or 561288516. Listed at 18 retailers as of November 2, 2026, with prices from £127 to £818, a £691 spread on the same certified stone. Flawless Fine Jewelry lists it at £818. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561288516
Dimensions7.55 × 5.31 × 3.72 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
7.55 mm5.31 mm1.25 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561288516
Side View
Table 66.0%Crown 43.8°Girdle: MediumPavilion 36.8°Culet: NoneDepth 70.1%

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: £276 GBP|Low: £121 GBP|High: £741 GBP|Avg: £322 GBP|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 11£127 GBP
Retailer 9£141 GBP
Retailer 3£147 GBP
Retailer 4£156 GBP
Retailer 14£156 GBP
Retailer 6£212 GBP
Retailer 8£266 GBP
Retailer 1£276 GBP
Retailer 5£344 GBP
Retailer 12£428 GBP
Retailer 2£504 GBP
Retailer 10£532 GBP
Retailer 13£537 GBP
Retailer 7£733 GBP

45 data points across 14 retailers

18 retailers£127 GBP to £818 GBP

A
Cheapest Retailer
-
£127 GBP
$170 USD
A
Retailer 2
-
£141 GBP
$189 USD
View
Final sale: no returns
A
Retailer 3
-
£147 GBP
$197 USD
View
Retailer 4
-
£156 GBP
$210 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£156 GBP
$210 USD
View
B+
Retailer 6
-
£212 GBP
$285 USD
View
A
Retailer 7
-
£266 GBP
€340 EUR
View
A
Retailer 8
-
£276 GBP
View
B+
Retailer 9
-
£344 GBP
$461 USD
View
B+
Retailer 10
-
£347 GBP
$466 USD
View
Retailer 11
-
£428 GBP
$575 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
£504 GBP
$676 USD
View
B+
Retailer 13
-
£532 GBP
$714 USD
View
B+
Retailer 14
-
£537 GBP
$720 USD
View
B+
Retailer 15
-
£544 GBP
$731 USD
View
B
Retailer 16
-
£733 GBP
View
B
Retailer 17
-
£817 GBP
$1,097 USD
View
Most Expensive
B
Flawless Fine Jewelry
46E8570FA · Nov 3
£818 GBP
View
17 more retailers have this diamond
Prices start from £127 GBPSave up to £691 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
1.25ct Radiant
£127 GBP