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Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG668432661

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

Certificate IGI LG668432661

Diamond specifications and retailer prices

From $375 AUD
As of November 4, 2026
Save $1,631 AUD (81%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $2,006 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG668432661 or 668432661. Listed at 29 retailers as of November 4, 2026, with prices from $375 to $2,006, a $1,631 spread on the same certified stone. Diamond Quarter lists it at $2,006. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668432661
Dimensions5.81 × 5.81 × 3.84 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.81 mm5.81 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668432661
Side View
Table 63.0%Crown 41°Girdle: Slightly ThickPavilion 33.9°Culet: NoneDepth 66.1%

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: $880 AUD|Low: $375 AUD|High: $1,986 AUD|Avg: $1,148 AUD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 2$375 AUD
Retailer 15$419 AUD
Retailer 9$547 AUD
Retailer 3$656 AUD
Retailer 18$691 AUD
Retailer 17$768 AUD
Retailer 16$800 AUD
Retailer 7$841 AUD
Retailer 1$880 AUD
Retailer 5$1,009 AUD
Retailer 8$1,029 AUD
Retailer 14$1,086 AUD
Retailer 20$1,427 AUD
Retailer 13$1,521 AUD
Retailer 10$1,565 AUD
Retailer 11$1,565 AUD
Retailer 6$1,827 AUD
Retailer 12$1,855 AUD
Retailer 19$1,875 AUD
Retailer 4$1,986 AUD

37 data points across 20 retailers

29 retailers$375 AUD to $2,006 AUD

A
Cheapest Retailer
-
$375 AUD
Retailer 2
-
$375 AUD
View
Price last confirmed 28 days ago
Retailer 3
-
$388 AUD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$419 AUD
View
Final sale: no returns
Retailer 5
-
$450 AUD
View
Price last confirmed 39 days ago
Retailer 6
-
$465 AUD
View
Price last confirmed 33 days ago
Retailer 7
-
$475 AUD
View
Price last confirmed 37 days ago
A
Retailer 8
-
$547 AUD
View
B+
Retailer 9
-
$656 AUD
View
A
Retailer 10
-
$691 AUD
View
A
Retailer 11
-
$768 AUD
View
A
Retailer 12
-
$800 AUD
View
A
Retailer 13
-
$841 AUD
View
A
Retailer 14
-
$880 AUD
View
B+
Retailer 15
-
$1,009 AUD
View
B+
Retailer 16
-
$1,029 AUD
View
B+
Retailer 17
-
$1,086 AUD
View
B+
Retailer 18
-
$1,427 AUD
View
B+
Retailer 19
-
$1,492 AUD
View
Retailer 20
-
$1,492 AUD
View
Price last confirmed 26 days ago
B+
Retailer 21
-
$1,521 AUD
View
Retailer 22
-
$1,545 AUD
View
Price last confirmed 36 days ago
B+
Retailer 23
-
$1,565 AUD
View
B+
Retailer 24
-
$1,565 AUD
View
B
Retailer 25
-
$1,827 AUD
View
B
Retailer 26
-
$1,855 AUD
View
B
Retailer 27
-
$1,875 AUD
View
B
Retailer 28
-
$1,986 AUD
View
Most Expensive
B
Diamond Quarter
1.55VVS1DLG61B055N · Nov 5
$2,006 AUD
£1,108 GBP
View
28 more retailers have this diamond
Prices start from $375 AUDSave up to $1,631 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
$375 AUD