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Radiant|Lab Grown|IGI

1.55ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG640440855

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

Certificate IGI LG640440855

Diamond specifications and retailer prices

From $212 USD
As of November 4, 2026
Save $1,778 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,990 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG640440855 or 640440855. Listed at 20 retailers as of November 4, 2026, with prices from $212 to $1,990, a $1,778 spread on the same certified stone. Brilliant Earth lists it at $1,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640440855
Dimensions8.02 × 5.70 × 3.88 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.02 mm5.70 mm1.55 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640440855
Side View
Table 67.0%Crown 47.2°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.1%

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: Nov 4
Current: $1,990 USD|Low: $212 USD|High: $2,100 USD|Avg: $648 USD|-5.2%
Brilliant Earth
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
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 3$212 USD
Retailer 8$237 USD
Retailer 18$246 USD
Retailer 5$263 USD
Retailer 6$263 USD
Retailer 20$293 USD
Retailer 9$453 USD
Retailer 16$453 USD
Retailer 17$465 USD
Retailer 2$481 USD
Retailer 12$541 USD
Retailer 11$594 USD
Retailer 15$612 USD
Retailer 4$845 USD
Retailer 19$848 USD
Retailer 14$980 USD
Retailer 13$1,050 USD
Retailer 10$1,070 USD
Retailer 7$1,231 USD
Brilliant Earth$1,990 USD

39 data points across 20 retailers

20 retailers$212 USD to $1,990 USD

A
Cheapest Retailer
-
$212 USD
A
Retailer 2
-
$246 USD
View
Retailer 3
-
$263 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$263 USD
View
B+
Retailer 5
-
$453 USD
View
A
Retailer 6
-
$453 USD
View
A
Retailer 7
-
$465 USD
View
A
Retailer 8
-
$481 USD
View
A
Retailer 9
-
$541 USD
View
A
Retailer 10
-
$594 USD
View
A
Retailer 11
-
$612 USD
View
B+
Retailer 12
-
$845 USD
View
B+
Retailer 13
-
$848 USD
View
B+
Retailer 14
-
$897 USD
View
B+
Retailer 15
-
$914 USD
View
B+
Retailer 16
-
$980 USD
View
B+
Retailer 17
-
$1,050 USD
View
B
Retailer 18
-
$1,070 USD
View
Retailer 19
-
$1,231 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
10980354A · Nov 4
$1,990 USD
View
19 more retailers have this diamond
Prices start from $212 USDSave up to $1,778 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
1.55ct Radiant
$212 USD