Radiant|Lab Grown|IGI

1.86ct I VS1 Radiant Lab Grown Diamond

VG • I/VS1 • IGI LG665403535

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

Certificate IGI LG665403535

Diamond specifications and retailer prices

From £237 GBP
$318 USD
As of October 29, 2026
Save £1,464 GBP (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,702 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG665403535 or 665403535. Listed at 14 retailers as of October 29, 2026, with prices from £237 to £1,702, a £1,464 spread on the same certified stone. Do Amore Diamonds lists it at £1,702. 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
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle44.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665403535
Dimensions8.45 × 6.07 × 4.24 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.45 mm6.07 mm1.86 ctI / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG665403535
Side View
Table 74.0%Crown 44.2°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 69.9%

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 29
Current: £1,702 GBP|Low: £234 GBP|High: £1,702 GBP|Avg: £707 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
Retailer 14
October 30, 2026
Retailer 13£237 GBP
Retailer 2£344 GBP
Retailer 9£358 GBP
Retailer 4£377 GBP
Retailer 14£396 GBP
Retailer 3£444 GBP
Retailer 8£451 GBP
Retailer 12£730 GBP
Retailer 6£799 GBP
Retailer 11£802 GBP
Retailer 5£968 GBP
Retailer 10£1,024 GBP
Retailer 7£1,057 GBP
Do Amore Diamonds£1,702 GBP

30 data points across 14 retailers

14 retailers£237 GBP to £1,702 GBP

A
Cheapest Retailer
-
£237 GBP
$318 USD
A
Retailer 2
-
£344 GBP
View
B+
Retailer 3
-
£358 GBP
$480 USD
View
B+
Retailer 4
-
£377 GBP
$505 USD
View
B
Retailer 5
-
£396 GBP
$531 USD
View
B+
Retailer 6
-
£444 GBP
$595 USD
View
B+
Retailer 7
-
£451 GBP
ZAR 9,759 ZAR
View
B
Retailer 8
-
£730 GBP
$978 USD
View
Retailer 9
-
£802 GBP
$1,075 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
£843 GBP
$1,130 USD
View
B
Retailer 11
-
£968 GBP
$1,296 USD
View
B
Retailer 12
-
£1,024 GBP
View
B
Retailer 13
-
£1,057 GBP
View
Most Expensive
C
Do Amore Diamonds
27-BDD2EB9EC · Oct 31
£1,702 GBP
$2,280 USD
View
13 more retailers have this diamond
Prices start from £237 GBPSave up to £1,464 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
£237 GBP