Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

GD • F/VS1 • IGI LG687595692

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

Certificate IGI LG687595692

Diamond specifications and retailer prices

From $201 USD
As of November 4, 2026
Save $1,369 USD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,570 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 standard cut grade and certified by IGI LG687595692 or 687595692. Listed at 21 retailers as of November 4, 2026, with prices from $201 to $1,570, a $1,369 spread on the same certified stone. Brilliant Earth lists it at $1,570. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
F
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687595692
Dimensions8.47 × 5.68 × 3.82 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.47 mm5.68 mm1.55 ctF / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687595692
Side View
Table 63.0%Crown 43.2°Girdle: MediumPavilion 34.7°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,570 USD|Low: $201 USD|High: $1,790 USD|Avg: $670 USD|-12.3%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
November 4, 2026
Retailer 13$201 USD
Retailer 10$227 USD
Retailer 19$233 USD
Retailer 7$251 USD
Retailer 8$251 USD
Retailer 2$290 USD
Retailer 17$431 USD
Retailer 4$434 USD
Retailer 5$445 USD
Retailer 18$457 USD
Retailer 3$586 USD
Retailer 14$799 USD
Retailer 16$802 USD
Retailer 12$840 USD
Retailer 15$852 USD
Retailer 11$1,025 USD
Retailer 6$1,182 USD
Retailer 9$1,202 USD
Brilliant Earth$1,570 USD

34 data points across 19 retailers

21 retailers$201 USD to $1,570 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$233 USD
View
Retailer 3
-
$251 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$251 USD
View
A
Retailer 5
-
$290 USD
View
B+
Retailer 6
-
$431 USD
View
A
Retailer 7
-
$434 USD
View
A
Retailer 8
-
$445 USD
View
Retailer 9
-
$451 USD
View
Price last confirmed 24 days ago
A
Retailer 10
-
$457 USD
View
B+
Retailer 11
-
$528 USD
View
B+
Retailer 12
-
$584 USD
View
B+
Retailer 13
-
$586 USD
View
B+
Retailer 14
-
$799 USD
View
B
Retailer 15
-
$802 USD
View
B
Retailer 16
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$840 USD
View
B
Retailer 17
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$852 USD
View
B
Retailer 18
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$1,025 USD
View
B
Retailer 19
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$1,182 USD
View
Retailer 20
-
$1,202 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
13361250A · Nov 4
$1,570 USD
View
20 more retailers have this diamond
Prices start from $201 USDSave up to $1,369 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
$201 USD