Radiant|Lab Grown|IGI

1.55ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG685576407

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

Certificate IGI LG685576407

Diamond specifications and retailer prices

From $192 USD
As of October 27, 2026
Save $1,428 USD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,620 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 LG685576407 or 685576407. Listed at 17 retailers as of October 27, 2026, with prices from $192 to $1,620, a $1,428 spread on the same certified stone. Brilliant Earth lists it at $1,620. 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 angle40.3°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685576407
Dimensions8.39 × 5.79 × 3.84 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.39 mm5.79 mm1.55 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685576407
Side View
Table 64.0%Crown 40.3°Girdle: MediumPavilion 35.9°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,620 USD|Low: $184 USD|High: $1,690 USD|Avg: $587 USD|-4.1%
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 29, 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$432 USD
Retailer 7$497 USD
Retailer 11$636 USD
Retailer 4$765 USD
Retailer 13$989 USD
Retailer 8$1,118 USD
Brilliant Earth$1,620 USD

42 data points across 15 retailers

17 retailers$192 USD to $1,620 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 12 days ago
B+
Retailer 7
-
$415 USD
View
A
Retailer 8
-
$432 USD
€411 EUR
View
A
Retailer 9
-
$432 USD
£340 GBP
View
A
Retailer 10
-
$497 USD
View
A
Retailer 11
-
$506 USD
View
B+
Retailer 12
-
$636 USD
View
B+
Retailer 13
-
$765 USD
View
B+
Retailer 14
-
$818 USD
View
B
Retailer 15
-
$989 USD
View
B
Retailer 16
-
$1,118 USD
£880 GBP
View
Most Expensive
B
Brilliant Earth
15181644A · Oct 29
$1,620 USD
View
16 more retailers have this diamond
Prices start from $192 USDSave up to $1,428 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