Radiant|Lab Grown|IGI

1.55ct F VVS1 Radiant Lab Grown Diamond

EX • F/VVS1 • IGI LG756575281

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

Certificate IGI LG756575281

Diamond specifications and retailer prices

From $380 USD
As of November 4, 2026
Save $1,510 USD (80%) vs most expensive(unlock to see where)
6 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG756575281 or 756575281. Listed at 6 retailers as of November 4, 2026, with prices from $380 to $1,890, a $1,510 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756575281
Dimensions8.30 × 5.90 × 3.65 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.30 mm5.90 mm1.55 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756575281
Side View
Table 67.0%Crown 44.6°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 61.9%

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: $1,890 USD|Low: $380 USD|High: $1,950 USD|Avg: $848 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6$380 USD
Retailer 3$452 USD
Retailer 7$638 USD
Retailer 5$655 USD
Retailer 2$1,028 USD
Retailer 4$1,093 USD
Brilliant Earth$1,890 USD

12 data points across 7 retailers

6 retailers$380 USD to $1,890 USD

B+
Cheapest Retailer
-
$380 USD
A
Retailer 2
-
$452 USD
View
B+
Retailer 3
-
$655 USD
View
B+
Retailer 4
-
$1,028 USD
View
Retailer 5
-
$1,093 USD
View
Price last confirmed 28 days ago
Most Expensive
B
Brilliant Earth
17517717A · Nov 4
$1,890 USD
View
5 more retailers have this diamond
Prices start from $380 USDSave up to $1,510 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
$380 USD