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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 $287 AUD
As of November 4, 2026
Save $1,927 AUD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,214 AUD at Brilliant Earth · As of November 5, 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 $287 to $2,214, a $1,927 spread on the same certified stone. Brilliant Earth lists it at $2,214. 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
Colour
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

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: $2,214 AUD|Low: $287 AUD|High: $2,428 AUD|Avg: $921 AUD|-8.8%
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
Retailer 20
November 5, 2026
Retailer 19$287 AUD
Retailer 12$324 AUD
Retailer 6$333 AUD
Retailer 14$356 AUD
Retailer 10$359 AUD
Retailer 2$411 AUD
Retailer 5$616 AUD
Retailer 8$620 AUD
Retailer 9$636 AUD
Retailer 15$644 AUD
Retailer 13$753 AUD
Retailer 7$837 AUD
Retailer 20$1,141 AUD
Retailer 4$1,146 AUD
Retailer 18$1,200 AUD
Retailer 3$1,217 AUD
Retailer 16$1,446 AUD
Retailer 17$1,656 AUD
Retailer 11$1,717 AUD
Brilliant Earth$2,214 AUD

31 data points across 20 retailers

21 retailers$287 AUD to $2,214 AUD

A
Cheapest Retailer
-
$287 AUD
A
Retailer 2
-
$333 AUD
View
A
Retailer 3
-
$356 AUD
View
Retailer 4
-
$359 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$411 AUD
View
B+
Retailer 6
-
$616 AUD
View
A
Retailer 7
-
$620 AUD
View
A
Retailer 8
-
$636 AUD
View
A
Retailer 9
-
$644 AUD
View
Retailer 10
-
$644 AUD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
$753 AUD
View
B+
Retailer 12
-
$834 AUD
View
B+
Retailer 13
-
$837 AUD
View
B+
Retailer 14
-
$1,141 AUD
View
B
Retailer 15
-
$1,146 AUD
View
B
Retailer 16
-
$1,200 AUD
View
B
Retailer 17
-
$1,217 AUD
View
B
Retailer 18
-
$1,446 AUD
View
B
Retailer 19
-
$1,656 AUD
View
Retailer 20
-
$1,717 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
13361250A · Nov 5
$2,214 AUD
$1,550 USD
View
20 more retailers have this diamond
Prices start from $287 AUDSave up to $1,927 AUD

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
$287 AUD