Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG797673018

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

Certificate IGI LG797673018

Diamond specifications and retailer prices

From $301 USD
As of November 4, 2026
Save $2,309 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,610 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG797673018 or 797673018. Listed at 21 retailers as of November 4, 2026, with prices from $301 to $2,610, a $2,309 spread on the same certified stone. Do Amore Diamonds lists it at $2,610. 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 angle42°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797673018
Dimensions8.50 × 5.58 × 3.73 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.50 mm5.58 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797673018
Side View
Table 60.0%Crown 42°Girdle: MediumPavilion 33.3°Culet: NoneDepth 66.8%

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: $870 USD|Low: $301 USD|High: $1,493 USD|Avg: $815 USD|-15.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 4$301 USD
Retailer 2$334 USD
Retailer 6$490 USD
Retailer 8$634 USD
Retailer 5$646 USD
Retailer 3$672 USD
Retailer 7$863 USD
Retailer 1$870 USD
Retailer 10$950 USD
Retailer 11$1,025 USD
Retailer 12$1,283 USD
Retailer 9$1,475 USD

43 data points across 12 retailers

21 retailers$301 USD to $2,610 USD

Retailer 1
-
$258 USD
Price last confirmed 34 days ago
A
Retailer 2
-
$301 USD
View
Final sale: no returns
Retailer 3
-
$312 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$334 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$426 USD
View
B+
Retailer 6
-
$446 USD
View
A
Retailer 7
-
$490 USD
View
A
Retailer 8
-
$634 USD
View
A
Retailer 9
-
$646 USD
View
B+
Retailer 10
-
$672 USD
View
B+
Retailer 11
-
$863 USD
View
B+
Retailer 12
-
$870 USD
View
Retailer 13
-
$950 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,025 USD
View
Retailer 15
-
$1,184 USD
View
Price last confirmed 36 days ago
B
Retailer 16
-
$1,283 USD
View
B
Retailer 17
-
$1,348 USD
View
B
Retailer 18
-
$1,411 USD
View
B
Retailer 19
-
$1,475 USD
View
B
Retailer 20
-
$2,390 USD
View
Most Expensive
B
Do Amore Diamonds
23-797673018 · Nov 4
$2,610 USD
View
20 more retailers have this diamond
Prices start from $301 USDSave up to $2,309 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
$301 USD