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Radiant|Lab Grown|IGI

1.83ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG831646207

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

Certificate IGI LG831646207

Diamond specifications and retailer prices

From £164 GBP
$219 USD
As of October 23, 2026
Save £656 GBP (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,006 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.83ct lab-grown radiant diamond

This 1.83ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831646207 or 831646207. Listed at 9 retailers as of October 23, 2026, with a 399% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831646207
Dimensions8.81 × 6.03 × 3.98 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.81 mm6.03 mm1.83 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831646207
Side View
Table 64.0%Crown 45.6°Girdle: MediumPavilion 34.6°CuletDepth 66.0%

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 23
Current: £1,006 GBP|Low: £160 GBP|High: £1,029 GBP|Avg: £569 GBP|-2.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 27, 2026
Retailer 7£164 GBP
Retailer 6£191 GBP
Retailer 2£228 GBP
Retailer 4£341 GBP
Retailer 8£657 GBP
Retailer 5£659 GBP
Retailer 3£820 GBP
Retailer 9£890 GBP
Rare Carat£1,006 GBP

23 data points across 9 retailers

9 retailers£164 GBP to £820 GBP

A
Cheapest Retailer
-
£164 GBP
$219 USD
A
Retailer 2
-
£191 GBP
$255 USD
View
A
Retailer 3
-
£228 GBP
View
A
Retailer 4
-
£341 GBP
€432 EUR
View
B+
Retailer 5
-
£657 GBP
$875 USD
View
B
Retailer 6
-
£659 GBP
$878 USD
View
B+
Retailer 7
-
£820 GBP
View
Retailer 8
-
£890 GBP
$1,185 USD
View
Price last confirmed 8 days ago
Most Expensive
Rare Carat
LGRA15-141195 · Oct 21
£1,006 GBP
$1,340 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from £164 GBPSave up to £656 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
1.83ct Radiant
£164 GBP