Radiant|Lab Grown|IGI

1.55ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG640455936

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

Certificate IGI LG640455936

Diamond specifications and retailer prices

From $367 AUD
$258 USD
As of October 25, 2026
Save $2,152 AUD (85%) 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 LG640455936 or 640455936. Listed at 17 retailers as of October 25, 2026, with prices from $367 to $2,520, a $2,152 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 angle45°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640455936
Dimensions8.43 × 5.64 × 3.85 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
8.43 mm5.64 mm1.55 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640455936
Side View
Table 65.0%Crown 45°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.3%

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 25
Current: $2,520 AUD|Low: $367 AUD|High: $2,876 AUD|Avg: $1,063 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
October 31, 2026
Retailer 12$367 AUD
Retailer 11$411 AUD
Retailer 2$634 AUD
Retailer 13$635 AUD
Retailer 7$678 AUD
Retailer 4$756 AUD
Retailer 3$840 AUD
Retailer 8$1,186 AUD
Retailer 5$1,257 AUD
Retailer 6$1,345 AUD
Retailer 9$1,445 AUD
Retailer 10$1,481 AUD
Retailer 14$1,498 AUD
Brilliant Earth$2,520 AUD

38 data points across 14 retailers

17 retailers$367 AUD to $2,520 AUD

Retailer 1
-
$345 AUD
$242 USD
Price last confirmed 34 days ago
Retailer 2
-
$363 AUD
$255 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$367 AUD
$258 USD
View
Retailer 4
-
$367 AUD
$258 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$411 AUD
£227 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$634 AUD
€424 EUR
View
B+
Retailer 7
-
$635 AUD
$446 USD
View
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
-
$1,186 AUD
$833 USD
View
Retailer 12
-
$1,257 AUD
$883 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
$1,335 AUD
£738 GBP
View
B
Retailer 14
-
$1,445 AUD
$1,015 USD
View
B
Retailer 15
-
$1,481 AUD
£819 GBP
View
B
Retailer 16
-
$1,498 AUD
$1,052 USD
View
Most Expensive
B
Brilliant Earth
10802865A · Oct 30
$2,520 AUD
$1,770 USD
View
16 more retailers have this diamond
Prices start from $367 AUDSave up to $2,152 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
$367 AUD