Radiant|Lab Grown|IGI

1.05ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG750508267

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

Certificate IGI LG750508267

Diamond specifications and retailer prices

From $274 USD
As of October 30, 2026
Save $906 USD (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,180 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG750508267 or 750508267. Listed at 7 retailers as of October 29, 2026, with prices from $274 to $1,180, a $906 spread on the same certified stone. MOH London lists it at $1,180. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750508267
Dimensions7.42 × 4.92 × 3.33 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm4.92 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750508267
Side View
Table 64.0%Crown 42.6°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
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: $1,180 USD|Low: $274 USD|High: $1,187 USD|Avg: $575 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 6$274 USD
Retailer 4$306 USD
Retailer 5$342 USD
Retailer 2$457 USD
Retailer 3$575 USD
Retailer 7$979 USD
MOH London$1,180 USD

40 data points across 7 retailers

7 retailers$274 USD to $1,180 USD

A
Cheapest Retailer
-
$274 USD
B+
Retailer 2
-
$306 USD
View
A
Retailer 3
-
$342 USD
View
B+
Retailer 4
-
$457 USD
£360 GBP
View
Retailer 5
-
$575 USD
View
Price last confirmed 10 days ago
B
Retailer 6
-
$979 USD
View
Most Expensive
B
MOH London
LG750508267 · Oct 29
$1,180 USD
£929 GBP
View
6 more retailers have this diamond
Prices start from $274 USDSave up to $906 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.

A
1.05ct Radiant
$274 USD