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Radiant|Lab Grown|IGI

1.31ct G VVS1 Radiant Lab Grown Diamond

GD • G/VVS1 • IGI LG687504224

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

Certificate IGI LG687504224

Diamond specifications and retailer prices

From £186 GBP
As of November 4, 2026
Save £1,404 GBP (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,590 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.31ct lab-grown radiant diamond

This 1.31ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG687504224 or 687504224. Listed at 13 retailers as of November 4, 2026, with prices from £186 to £1,590, a £1,404 spread on the same certified stone. Do Amore Diamonds lists it at £1,590. 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

1.31
Carat
G
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687504224
Dimensions7.86 × 5.31 × 3.65 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.86 mm5.31 mm1.31 ctG / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687504224
Side View
Table 65.0%Crown 43.9°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 68.7%

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 4
Current: £1,590 GBP|Low: £179 GBP|High: £1,590 GBP|Avg: £572 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
November 5, 2026
Retailer 13£186 GBP
Retailer 3£216 GBP
Retailer 2£282 GBP
Retailer 15£388 GBP
Retailer 10£390 GBP
Retailer 6£400 GBP
Retailer 5£402 GBP
Retailer 4£421 GBP
Retailer 7£466 GBP
Retailer 9£626 GBP
Retailer 11£628 GBP
Retailer 12£711 GBP
Retailer 14£821 GBP
Retailer 8£1,021 GBP
Do Amore Diamonds£1,590 GBP

38 data points across 15 retailers

13 retailers£186 GBP to £1,590 GBP

A
Cheapest Retailer
-
£186 GBP
A
Retailer 2
-
£216 GBP
View
A
Retailer 3
-
£282 GBP
View
B+
Retailer 4
-
£388 GBP
View
B+
Retailer 5
-
£390 GBP
View
B+
Retailer 6
-
£402 GBP
View
B+
Retailer 7
-
£421 GBP
View
B
Retailer 8
-
£626 GBP
View
B
Retailer 9
-
£628 GBP
View
B
Retailer 10
-
£711 GBP
View
B
Retailer 11
-
£821 GBP
View
B
Retailer 12
-
£1,021 GBP
View
Most Expensive
C
Do Amore Diamonds
7-1684770 · Nov 4
£1,590 GBP
$2,140 USD
View
12 more retailers have this diamond
Prices start from £186 GBPSave up to £1,404 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
1.31ct Radiant
£186 GBP