Radiant|Lab Grown|IGI

1.55ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG677570735

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

Certificate IGI LG677570735

Diamond specifications and retailer prices

From $197 USD
As of October 30, 2026
Save $1,103 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,300 USD at Brilliant Earth · As of November 2, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677570735 or 677570735. Listed at 17 retailers as of October 30, 2026, with prices from $197 to $1,300, a $1,103 spread on the same certified stone. Brilliant Earth lists it at $1,300. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677570735
Dimensions8.39 × 5.79 × 3.97 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.39 mm5.79 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677570735
Side View
Table 63.0%Crown 35.9°Girdle: MediumPavilion 36.8°Culet: NoneDepth 68.6%

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: $1,300 USD|Low: $189 USD|High: $1,390 USD|Avg: $605 USD|-6.5%
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
November 2, 2026
Retailer 15$197 USD
Retailer 6$228 USD
Retailer 3$244 USD
Retailer 13$244 USD
Retailer 12$300 USD
Retailer 8$419 USD
Retailer 5$424 USD
Retailer 9$445 USD
Retailer 7$502 USD
Retailer 2$661 USD
Retailer 4$783 USD
Retailer 11$910 USD
Retailer 14$1,013 USD
Retailer 10$1,139 USD
Brilliant Earth$1,300 USD

43 data points across 15 retailers

17 retailers$197 USD to $1,300 USD

A
Cheapest Retailer
-
$197 USD
A
Retailer 2
-
$228 USD
View
A
Retailer 3
-
$244 USD
View
Retailer 4
-
$244 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$419 USD
€399 EUR
View
B+
Retailer 6
-
$424 USD
View
A
Retailer 7
-
$445 USD
£351 GBP
View
A
Retailer 8
-
$501 USD
View
A
Retailer 9
-
$502 USD
View
B+
Retailer 10
-
$661 USD
View
B+
Retailer 11
-
$756 USD
£595 GBP
View
B+
Retailer 12
-
$783 USD
View
B+
Retailer 13
-
$837 USD
View
B+
Retailer 14
-
$910 USD
View
B+
Retailer 15
-
$1,013 USD
View
B
Retailer 16
-
$1,139 USD
£897 GBP
View
Most Expensive
B
Brilliant Earth
15181609A · Nov 2
$1,300 USD
View
16 more retailers have this diamond
Prices start from $197 USDSave up to $1,103 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
$197 USD