Radiant|Lab Grown|IGI

0.90ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG604317856

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

Certificate IGI LG604317856

Diamond specifications and retailer prices

From $464 USD
£365 GBP
As of October 31, 2026
14 retailers carry this diamond
Most expensive: $1,137 USD at MOH London · As of October 11, 2026
View at MOH London

About this 0.9ct lab-grown radiant diamond

This 0.9ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG604317856 or 604317856. Listed at 14 retailers as of October 31, 2026. 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

0.90
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604317856
Dimensions6.78 × 4.81 × 3.29 mm
L/W Ratio1.41
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
6.78 mm4.81 mm0.90 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG604317856
Side View
Table 67.0%Crown 39.1°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $1,137 USD|Low: $108 USD|High: $1,137 USD|Avg: $352 USD|+0.2%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
October 17, 2026
Retailer 12$108 USD
Retailer 5$126 USD
Retailer 14$143 USD
Retailer 16$143 USD
Retailer 2$178 USD
Retailer 10$255 USD
Retailer 3$268 USD
Retailer 8$268 USD
Retailer 11$269 USD
Retailer 15$293 USD
Retailer 9$357 USD
Retailer 13$432 USD
Retailer 7$432 USD
Retailer 17$434 USD
Retailer 6$455 USD
Retailer 4$750 USD
MOH London$1,137 USD

20 data points across 17 retailers

14 retailers

Retailer 1
-
$108 USD
Price last confirmed 16 days ago
Retailer 2
-
$126 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$143 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$143 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$178 USD
£140 GBP
View
Price last confirmed 15 days ago
Retailer 6
-
$255 USD
£201 GBP
View
Price last confirmed 15 days ago
Retailer 7
-
$268 USD
View
Price last confirmed 16 days ago
Retailer 8
-
$268 USD
View
Price last confirmed 12 days ago
Retailer 9
-
$293 USD
£231 GBP
View
Price last confirmed 16 days ago
Retailer 10
-
$432 USD
View
Price last confirmed 16 days ago
Retailer 11
-
$434 USD
View
Price last confirmed 20 days ago
B
Retailer 12
-
$464 USD
£365 GBP
View
Retailer 13
-
$750 USD
View
Price last confirmed 15 days ago
Most Expensive
MOH London
LG604317856 · Oct 11
$1,137 USD
£895 GBP
View
Price last confirmed 21 days ago
13 more retailers have this diamond
Prices start from $464 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
0.90ct Radiant
$464 USD