Radiant|Lab Grown|IGI

0.55ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG592351621

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

Certificate IGI LG592351621

Diamond specifications and retailer prices

From $122 USD
As of October 28, 2026
Save $1,017 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,139 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.55ct lab-grown radiant diamond

This 0.55ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG592351621 or 592351621. Listed at 13 retailers as of October 28, 2026, with prices from $122 to $1,139, a $1,017 spread on the same certified stone. MOH London lists it at $1,139. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.55
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592351621
Dimensions4.17 × 4.17 × 3.20 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
4.17 mm4.17 mm0.55 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592351621
Side View
Table 62.0%Crown 44.5°Girdle: Slightly ThickPavilion 39.4°Culet: NoneDepth 76.7%

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 28
Current: $1,139 USD|Low: $122 USD|High: $1,190 USD|Avg: $374 USD|-4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11$122 USD
Retailer 3$150 USD
Retailer 12$245 USD
Retailer 2$271 USD
Retailer 10$271 USD
Retailer 4$275 USD
Retailer 6$315 USD
Retailer 5$328 USD
Retailer 7$345 USD
Retailer 8$486 USD
Retailer 9$494 USD
MOH London$1,139 USD

26 data points across 12 retailers

13 retailers$122 USD to $1,139 USD

A
Retailer 1
-
$114 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$122 USD
View
Final sale: no returns
A
Retailer 3
-
$150 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$150 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$245 USD
ZAR 3,960 ZAR
View
A
Retailer 6
-
$271 USD
£213 GBP
View
A
Retailer 7
-
$271 USD
View
B+
Retailer 8
-
$315 USD
A$484 AUD
View
B+
Retailer 9
-
$328 USD
£258 GBP
View
B+
Retailer 10
-
$345 USD
A$531 AUD
View
B
Retailer 11
-
$486 USD
View
B
Retailer 12
-
$494 USD
View
Most Expensive
B
MOH London
LG592351621 · Oct 29
$1,139 USD
£897 GBP
View
12 more retailers have this diamond
Prices start from $122 USDSave up to $1,017 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
0.55ct Radiant
$122 USD