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Radiant|Lab Grown|IGI

1.55ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG678546237

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

Certificate IGI LG678546237

Diamond specifications and retailer prices

From $273 AUD
$192 USD
As of October 30, 2026
Save $1,335 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,609 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678546237 or 678546237. Listed at 18 retailers as of October 30, 2026, with prices from $273 to $1,609, a $1,335 spread on the same certified stone. Brilliant Earth lists it at $1,609. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678546237
Dimensions8.44 × 5.78 × 3.88 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm5.78 mm1.55 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678546237
Side View
Table 63.0%Crown 37.2°Girdle: MediumPavilion 36°Culet: NoneDepth 67.1%

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: $1,609 AUD|Low: $262 AUD|High: $2,150 AUD|Avg: $809 AUD|-25.2%
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
October 31, 2026
Retailer 15$273 AUD
Retailer 14$305 AUD
Retailer 6$317 AUD
Retailer 3$339 AUD
Retailer 12$339 AUD
Retailer 11$398 AUD
Retailer 5$591 AUD
Retailer 10$614 AUD
Retailer 8$617 AUD
Retailer 7$708 AUD
Retailer 4$1,089 AUD
Retailer 2$1,092 AUD
Retailer 13$1,408 AUD
Retailer 9$1,591 AUD
Brilliant Earth$1,609 AUD

44 data points across 15 retailers

18 retailers$273 AUD to $1,609 AUD

A
Cheapest Retailer
-
$273 AUD
$192 USD
A
Retailer 2
-
$305 AUD
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$317 AUD
$223 USD
View
A
Retailer 4
-
$339 AUD
$238 USD
View
A
Retailer 5
-
$339 AUD
$238 USD
View
Retailer 6
-
$398 AUD
£220 GBP
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$591 AUD
$415 USD
View
Retailer 8
-
$614 AUD
€411 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$617 AUD
£341 GBP
View
A
Retailer 10
-
$708 AUD
$497 USD
View
A
Retailer 11
-
$720 AUD
$506 USD
View
B+
Retailer 12
-
$1,056 AUD
£584 GBP
View
B+
Retailer 13
-
$1,089 AUD
$765 USD
View
B+
Retailer 14
-
$1,092 AUD
$767 USD
View
B+
Retailer 15
-
$1,165 AUD
$818 USD
View
B
Retailer 16
-
$1,408 AUD
$989 USD
View
B
Retailer 17
-
$1,591 AUD
£880 GBP
View
Most Expensive
B
Brilliant Earth
15181583A · Oct 30
$1,609 AUD
$1,130 USD
View
17 more retailers have this diamond
Prices start from $273 AUDSave up to $1,335 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
$273 AUD