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Radiant|Lab Grown|IGI

1.55ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG828655979

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

Certificate IGI LG828655979

Diamond specifications and retailer prices

From $250 USD
As of October 28, 2026
Save $1,228 USD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,478 USD at Frank Darling · As of October 29, 2026
View at Frank Darling

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828655979 or 828655979. Listed at 7 retailers as of October 28, 2026, with prices from $250 to $1,478, a $1,228 spread on the same certified stone. Frank Darling lists it at $1,478. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828655979
Dimensions7.84 × 5.80 × 3.94 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.84 mm5.80 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828655979
Side View
Table 67.0%Crown 47.3°Girdle: MediumPavilion 38.9°Culet: NoneDepth 67.9%

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 28
Current: $1,478 USD|Low: $183 USD|High: $2,210 USD|Avg: $825 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 2$250 USD
Retailer 10$366 USD
Retailer 5$377 USD
Retailer 3$416 USD
Retailer 11$524 USD
Retailer 9$574 USD
Retailer 7$694 USD
Retailer 8$1,037 USD
Retailer 6$1,040 USD
Retailer 12$1,183 USD
Frank Darling$1,478 USD
Retailer 4$2,210 USD

19 data points across 12 retailers

7 retailers$250 USD to $1,478 USD

A
Cheapest Retailer
-
$250 USD
Final sale: no returns
A
Retailer 2
-
$366 USD
£288 GBP
View
Price last confirmed 43 days ago
B+
Retailer 3
-
$377 USD
View
B+
Retailer 4
-
$694 USD
View
Price last confirmed 16 days ago
B
Retailer 5
-
$1,037 USD
View
Price last confirmed 24 days ago
B
Retailer 6
-
$1,040 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Frank Darling
100194745642KD · Oct 29
$1,478 USD
View
6 more retailers have this diamond
Prices start from $250 USDSave up to $1,228 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
$250 USD