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Radiant|Lab Grown|IGI

1.55ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG650402511

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

Certificate IGI LG650402511

Diamond specifications and retailer prices

From $296 AUD
$208 USD
As of October 30, 2026
Save $2,224 AUD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,520 AUD at Brilliant Earth · As of October 30, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG650402511 or 650402511. Listed at 17 retailers as of October 30, 2026, with prices from $296 to $2,520, a $2,224 spread on the same certified stone. Brilliant Earth lists it at $2,520. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650402511
Dimensions8.07 × 5.72 × 3.93 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.72 mm1.55 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650402511
Side View
Table 66.0%Crown 44.1°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.7%

Caratlytics Score

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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: $2,520 AUD|Low: $296 AUD|High: $2,876 AUD|Avg: $961 AUD|-12.4%
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
October 31, 2026
Retailer 17$296 AUD
Retailer 11$345 AUD
Retailer 3$367 AUD
Retailer 4$367 AUD
Retailer 16$411 AUD
Retailer 5$635 AUD
Retailer 14$667 AUD
Retailer 2$678 AUD
Retailer 8$756 AUD
Retailer 7$840 AUD
Retailer 18$1,182 AUD
Retailer 12$1,186 AUD
Retailer 9$1,257 AUD
Retailer 10$1,345 AUD
Retailer 13$1,445 AUD
Retailer 15$1,481 AUD
Retailer 6$1,498 AUD
Brilliant Earth$2,520 AUD

39 data points across 18 retailers

17 retailers$296 AUD to $2,520 AUD

A
Cheapest Retailer
-
$296 AUD
$208 USD
A
Retailer 2
-
$345 AUD
$242 USD
View
A
Retailer 3
-
$367 AUD
$258 USD
View
A
Retailer 4
-
$367 AUD
$258 USD
View
Retailer 5
-
$411 AUD
£227 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$635 AUD
$446 USD
View
Retailer 7
-
$667 AUD
€446 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$678 AUD
£375 GBP
View
A
Retailer 9
-
$756 AUD
$531 USD
View
A
Retailer 10
-
$840 AUD
$590 USD
View
B+
Retailer 11
-
$1,182 AUD
$830 USD
View
B
Retailer 12
-
$1,186 AUD
$833 USD
View
Retailer 13
-
$1,257 AUD
$883 USD
View
Price last confirmed 13 days ago
B
Retailer 14
-
$1,445 AUD
$1,015 USD
View
Retailer 15
-
$1,481 AUD
£819 GBP
View
Price last confirmed 12 days ago
B
Retailer 16
-
$1,498 AUD
$1,052 USD
View
Most Expensive
B
Brilliant Earth
12046482A · Oct 30
$2,520 AUD
$1,770 USD
View
16 more retailers have this diamond
Prices start from $296 AUDSave up to $2,224 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
$296 AUD