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Radiant|Lab Grown|IGI

1.86ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG576345362

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

Certificate IGI LG576345362

Diamond specifications and retailer prices

From £246 GBP
$330 USD
As of October 30, 2026
Save £1,015 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,262 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 top-tier cut grade and certified by IGI LG576345362 or 576345362. Listed at 17 retailers as of October 30, 2026, with prices from £246 to £1,262, a £1,015 spread on the same certified stone. Taylor and Hart lists it at £1,262. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576345362
Dimensions9.28 × 5.97 × 4.06 mm
L/W Ratio1.55
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
9.28 mm5.97 mm1.86 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576345362
Side View
Table 63.0%Crown 36.4°Girdle: THN-MEDPavilion 31.4°Culet: NoneDepth 68.0%

Caratlytics Score

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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: Oct 30
Current: £483 GBP|Low: £176 GBP|High: £1,262 GBP|Avg: £726 GBP|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 12£246 GBP
Retailer 11£447 GBP
Retailer 8£448 GBP
Retailer 7£469 GBP
Retailer 1£483 GBP
Retailer 4£529 GBP
Retailer 6£635 GBP
Retailer 9£838 GBP
Retailer 3£990 GBP
Retailer 2£1,002 GBP
Retailer 10£1,049 GBP
Retailer 5£1,099 GBP
Taylor and Hart£1,262 GBP

42 data points across 13 retailers

17 retailers£246 GBP to £1,262 GBP

Retailer 1
-
£211 GBP
$283 USD
Price last confirmed 29 days ago
Retailer 2
-
£220 GBP
$295 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
£246 GBP
$330 USD
View
Final sale: no returns
Retailer 4
-
£255 GBP
$342 USD
View
Price last confirmed 34 days ago
Retailer 5
-
£273 GBP
$366 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
£447 GBP
$599 USD
View
A
Retailer 7
-
£448 GBP
$600 USD
View
A
Retailer 8
-
£469 GBP
ZAR 10,146 ZAR
View
A
Retailer 9
-
£483 GBP
View
B+
Retailer 10
-
£529 GBP
$709 USD
View
B+
Retailer 11
-
£635 GBP
A$1,308 AUD
View
B+
Retailer 12
-
£838 GBP
$1,123 USD
View
Retailer 13
-
£877 GBP
$1,175 USD
View
Price last confirmed 31 days ago
B
Retailer 14
-
£1,002 GBP
SGD 1,815 SGD
View
B
Retailer 15
-
£1,049 GBP
$1,405 USD
View
B
Retailer 16
-
£1,099 GBP
View
Most Expensive
B
Taylor and Hart
IXDGUMO · Oct 31
£1,262 GBP
$1,690 USD
View
16 more retailers have this diamond
Prices start from £246 GBPSave up to £1,015 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
1.86ct Radiant
£246 GBP