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 $192 USD
As of October 30, 2026
Save $1,218 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,410 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $192 to $1,410, a $1,218 spread on the same certified stone. Brilliant Earth lists it at $1,410. 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
Color
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

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: Oct 30
Current: $1,410 USD|Low: $184 USD|High: $1,510 USD|Avg: $570 USD|-6.6%
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 30, 2026
Retailer 15$192 USD
Retailer 14$214 USD
Retailer 6$223 USD
Retailer 3$238 USD
Retailer 12$238 USD
Retailer 10$279 USD
Retailer 5$415 USD
Retailer 9$432 USD
Retailer 2$433 USD
Retailer 7$497 USD
Retailer 11$636 USD
Retailer 4$765 USD
Retailer 13$989 USD
Retailer 8$1,118 USD
Brilliant Earth$1,410 USD

44 data points across 15 retailers

18 retailers$192 USD to $1,410 USD

A
Cheapest Retailer
-
$192 USD
A
Retailer 2
-
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$223 USD
View
A
Retailer 4
-
$238 USD
View
A
Retailer 5
-
$238 USD
View
Retailer 6
-
$279 USD
£220 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$415 USD
View
A
Retailer 8
-
$432 USD
€411 EUR
View
A
Retailer 9
-
$433 USD
£341 GBP
View
A
Retailer 10
-
$497 USD
View
A
Retailer 11
-
$506 USD
View
B+
Retailer 12
-
$636 USD
View
B+
Retailer 13
-
$742 USD
£584 GBP
View
B+
Retailer 14
-
$765 USD
View
B+
Retailer 15
-
$818 USD
View
B
Retailer 16
-
$989 USD
View
B
Retailer 17
-
$1,118 USD
£880 GBP
View
Most Expensive
B
Brilliant Earth
15181583A · Oct 29
$1,410 USD
View
17 more retailers have this diamond
Prices start from $192 USDSave up to $1,218 USD

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
$192 USD