Radiant|Lab Grown|IGI

1.86ct G VS1 Radiant Lab Grown Diamond

GD • G/VS1 • IGI LG613353942

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

Certificate IGI LG613353942

Diamond specifications and retailer prices

From £361 GBP
$484 USD
As of October 30, 2026
Save £870 GBP (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,231 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.86ct lab-grown radiant diamond

This 1.86ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG613353942 or 613353942. Listed at 10 retailers as of October 29, 2026, with prices from £361 to £1,231, a £870 spread on the same certified stone. Brilliant Earth lists it at £1,231. 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

1.86
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613353942
Dimensions8.79 × 5.98 × 4.07 mm
L/W Ratio1.47
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
8.79 mm5.98 mm1.86 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613353942
Side View
Table 65.0%Crown 45.3°Girdle: MED-STKPavilion 35°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,231 GBP|Low: £324 GBP|High: £1,299 GBP|Avg: £612 GBP|-5.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8£361 GBP
Retailer 5£382 GBP
Retailer 2£395 GBP
Retailer 7£468 GBP
Retailer 6£512 GBP
Retailer 9£724 GBP
Retailer 4£843 GBP
Retailer 3£858 GBP
Brilliant Earth£1,231 GBP

41 data points across 9 retailers

10 retailers£361 GBP to £1,231 GBP

B+
Cheapest Retailer
-
£361 GBP
$484 USD
Retailer 2
-
£382 GBP
€488 EUR
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£395 GBP
View
B+
Retailer 4
-
£468 GBP
$627 USD
View
B+
Retailer 5
-
£512 GBP
$686 USD
View
B
Retailer 6
-
£689 GBP
View
B
Retailer 7
-
£724 GBP
$970 USD
View
Retailer 8
-
£843 GBP
$1,130 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
£858 GBP
View
Most Expensive
B
Brilliant Earth
8822015A · Oct 29
£1,231 GBP
$1,650 USD
View
9 more retailers have this diamond
Prices start from £361 GBPSave up to £870 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.

B+
1.86ct Radiant
£361 GBP