Radiant|Lab Grown|IGI

0.90ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG515228290

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

Certificate IGI LG515228290

Diamond specifications and retailer prices

From $156 USD
As of October 30, 2026
Save $1,344 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,500 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 standard cut grade and certified by IGI LG515228290 or 515228290. Listed at 16 retailers as of October 30, 2026, with prices from $156 to $1,500, a $1,344 spread on the same certified stone. Do Amore Diamonds lists it at $1,500. 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

0.90
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515228290
Dimensions6.72 × 4.78 × 3.22 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
6.72 mm4.78 mm0.90 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515228290
Side View
Table 66.5%Crown 46.8°Girdle: Slightly ThickPavilionCulet: NoneDepth 67.4%

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: $381 USD|Low: $150 USD|High: $1,010 USD|Avg: $449 USD|+4.6%
Retailer 1
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
November 2, 2026
Retailer 12$156 USD
Retailer 3$175 USD
Retailer 2$181 USD
Retailer 4$193 USD
Retailer 13$193 USD
Retailer 15$353 USD
Retailer 10$380 USD
Retailer 1$381 USD
Retailer 5$410 USD
Retailer 6$444 USD
Retailer 9$530 USD
Retailer 11$656 USD
Retailer 14$686 USD
Retailer 7$757 USD
Retailer 8$997 USD

44 data points across 15 retailers

16 retailers$156 USD to $1,500 USD

A
Cheapest Retailer
-
$156 USD
B+
Retailer 2
-
$175 USD
View
Final sale: no returns
B+
Retailer 3
-
$181 USD
View
B+
Retailer 4
-
$193 USD
View
Retailer 5
-
$193 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$221 USD
View
B+
Retailer 7
-
$353 USD
View
B+
Retailer 8
-
$380 USD
View
B+
Retailer 9
-
$381 USD
£300 GBP
View
B+
Retailer 10
-
$410 USD
View
B
Retailer 11
-
$530 USD
View
B
Retailer 12
-
$656 USD
View
B
Retailer 13
-
$686 USD
View
B
Retailer 14
-
$860 USD
View
B
Retailer 15
-
$997 USD
£785 GBP
View
Most Expensive
C
Do Amore Diamonds
27-415D00FDF · Nov 2
$1,500 USD
View
15 more retailers have this diamond
Prices start from $156 USDSave up to $1,344 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
0.90ct Radiant
$156 USD