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Radiant|Lab Grown|IGI

0.80ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG414098146

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

Certificate IGI LG414098146

Diamond specifications and retailer prices

From $293 USD
As of October 30, 2026
Save $974 USD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,267 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.8ct lab-grown radiant diamond

This 0.8ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG414098146 or 414098146. Listed at 4 retailers as of October 26, 2026, with prices from $293 to $1,267, a $974 spread on the same certified stone. MOH London lists it at $1,267. 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

0.80
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414098146
Dimensions5.89 × 4.92 × 3.34 mm
L/W Ratio1.20
Culet sizePointed
Cert comments
As Grown - No indication of post growth treatment. This Laboratory Grown Diamond was created by high pressure high temperature process (HPHT).
Top View
5.89 mm4.92 mm0.80 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG414098146
Side View
Table 66.0%Crown 37.4°Girdle: MediumPavilion 38°Culet: NoneDepth 67.9%

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: $1,267 USD|Low: $205 USD|High: $1,281 USD|Avg: $660 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4$293 USD
Retailer 2$313 USD
Retailer 3$544 USD
Retailer 5$740 USD
Retailer 6$740 USD
Retailer 7$750 USD
MOH London$1,267 USD

35 data points across 7 retailers

4 retailers$293 USD to $1,267 USD

B+
Cheapest Retailer
-
$293 USD
B+
Retailer 2
-
$313 USD
£246 GBP
View
B
Retailer 3
-
$544 USD
View
Most Expensive
B
MOH London
LG414098146 · Oct 26
$1,267 USD
£998 GBP
View
3 more retailers have this diamond
Prices start from $293 USDSave up to $974 USD

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+
0.80ct Radiant
$293 USD