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Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

GD • F/VS1 • IGI LG685580793

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

Certificate IGI LG685580793

Diamond specifications and retailer prices

From $300 AUD
As of November 4, 2026
Save $2,571 AUD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,871 AUD 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 standard cut grade and certified by IGI LG685580793 or 685580793. Listed at 17 retailers as of November 4, 2026, with prices from $300 to $2,871, a $2,571 spread on the same certified stone. Do Amore Diamonds lists it at $2,871. 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 angle33.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685580793
Dimensions8.96 × 5.76 × 3.93 mm
L/W Ratio1.56
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.96 mm5.76 mm1.55 ctF / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685580793
Side View
Table 62.0%Crown 33.5°Girdle: MediumPavilion 37.6°Culet: NoneDepth 48.6%

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: Nov 4
Current: $2,871 AUD|Low: $284 AUD|High: $2,871 AUD|Avg: $977 AUD
Do Amore Diamonds
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
November 5, 2026
Retailer 13$300 AUD
Retailer 6$334 AUD
Retailer 5$347 AUD
Retailer 3$371 AUD
Retailer 14$371 AUD
Retailer 15$500 AUD
Retailer 2$766 AUD
Retailer 4$846 AUD
Retailer 9$957 AUD
Retailer 12$1,286 AUD
Retailer 16$1,319 AUD
Retailer 8$1,414 AUD
Retailer 7$1,563 AUD
Retailer 11$1,628 AUD
Retailer 10$1,643 AUD
Do Amore Diamonds$2,871 AUD

45 data points across 16 retailers

17 retailers$300 AUD to $2,871 AUD

A
Cheapest Retailer
-
$300 AUD
B+
Retailer 2
-
$334 AUD
View
Final sale: no returns
B+
Retailer 3
-
$347 AUD
View
Retailer 4
-
$371 AUD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$371 AUD
View
B
Retailer 6
-
$500 AUD
View
B+
Retailer 7
-
$766 AUD
View
B+
Retailer 8
-
$846 AUD
View
B+
Retailer 9
-
$957 AUD
View
B
Retailer 10
-
$1,127 AUD
View
Retailer 11
-
$1,286 AUD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$1,319 AUD
View
Retailer 13
-
$1,414 AUD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$1,563 AUD
View
B
Retailer 15
-
$1,628 AUD
View
B
Retailer 16
-
$1,643 AUD
View
Most Expensive
C
Do Amore Diamonds
27-811934359 · Nov 4
$2,871 AUD
$2,010 USD
View
16 more retailers have this diamond
Prices start from $300 AUDSave up to $2,571 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
$300 AUD