CaratHunter
Plans
Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG526278766

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

Certificate IGI LG526278766

Diamond specifications and retailer prices

From $298 USD
As of November 4, 2026
Save $1,592 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,890 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG526278766 or 526278766. Listed at 20 retailers as of November 4, 2026, with prices from $298 to $1,890, a $1,592 spread on the same certified stone. Brilliant Earth lists it at $1,890. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526278766
Dimensions7.85 × 5.57 × 3.90 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
7.85 mm5.57 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526278766
Side View
Table 66.0%Crown 47.2°Girdle: MED-STKPavilionCulet: NoneDepth 70.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,890 USD|Low: $286 USD|High: $1,990 USD|Avg: $837 USD|-5.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 4, 2026
Retailer 17$298 USD
Retailer 9$333 USD
Retailer 5$345 USD
Retailer 6$369 USD
Retailer 18$369 USD
Retailer 15$525 USD
Retailer 7$562 USD
Retailer 4$604 USD
Retailer 8$630 USD
Retailer 13$636 USD
Retailer 2$648 USD
Retailer 12$865 USD
Retailer 16$1,134 USD
Retailer 3$1,187 USD
Retailer 11$1,234 USD
Retailer 19$1,420 USD
Retailer 14$1,479 USD
Retailer 10$1,505 USD
Brilliant Earth$1,890 USD

44 data points across 19 retailers

20 retailers$298 USD to $1,890 USD

A
Cheapest Retailer
-
$298 USD
A
Retailer 2
-
$333 USD
View
Final sale: no returns
A
Retailer 3
-
$345 USD
View
Retailer 4
-
$369 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$369 USD
View
A
Retailer 6
-
$525 USD
View
A
Retailer 7
-
$562 USD
View
B+
Retailer 8
-
$604 USD
View
B+
Retailer 9
-
$630 USD
View
A
Retailer 10
-
$636 USD
View
A
Retailer 11
-
$648 USD
View
B+
Retailer 12
-
$865 USD
View
B
Retailer 13
-
$1,062 USD
View
B
Retailer 14
-
$1,134 USD
View
B
Retailer 15
-
$1,187 USD
View
B
Retailer 16
-
$1,234 USD
View
B
Retailer 17
-
$1,420 USD
View
B
Retailer 18
-
$1,479 USD
View
B
Retailer 19
-
$1,505 USD
View
Most Expensive
B
Brilliant Earth
17972649A · Nov 4
$1,890 USD
View
19 more retailers have this diamond
Prices start from $298 USDSave up to $1,592 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
$298 USD