Radiant|Lab Grown|IGI

1.55ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG729508342

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

Certificate IGI LG729508342

Diamond specifications and retailer prices

From $220 USD
As of October 30, 2026
Save $2,000 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,220 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729508342 or 729508342. Listed at 16 retailers as of October 29, 2026, with prices from $220 to $2,220, a $2,000 spread on the same certified stone. Brilliant Earth lists it at $2,220. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.5°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729508342
Dimensions7.79 × 5.83 × 3.94 mm
L/W Ratio1.34
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.79 mm5.83 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729508342
Side View
Table 63.0%Crown 47.5°Girdle: MediumPavilion 35°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
A+
Exceptional
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: $2,220 USD|Low: $220 USD|High: $2,720 USD|Avg: $999 USD|+6.2%
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
Retailer 16
October 27, 2026
Retailer 3$220 USD
Retailer 5$247 USD
Retailer 16$256 USD
Retailer 4$338 USD
Retailer 15$374 USD
Retailer 9$489 USD
Retailer 13$529 USD
Retailer 2$703 USD
Retailer 12$760 USD
Retailer 6$970 USD
Retailer 8$1,073 USD
Retailer 11$1,215 USD
Retailer 10$1,380 USD
Retailer 7$1,931 USD
Retailer 14$2,120 USD
Brilliant Earth$2,220 USD

29 data points across 16 retailers

16 retailers$220 USD to $2,220 USD

A+
Cheapest Retailer
-
$220 USD
A
Retailer 2
-
$247 USD
View
Final sale: no returns
A
Retailer 3
-
$256 USD
View
A
Retailer 4
-
$338 USD
View
B+
Retailer 5
-
$374 USD
View
A
Retailer 6
-
$489 USD
€466 EUR
View
Price last confirmed 7 days ago
A
Retailer 7
-
$529 USD
View
A
Retailer 8
-
$703 USD
A$1,082 AUD
View
B+
Retailer 9
-
$760 USD
View
B+
Retailer 10
-
$970 USD
View
B+
Retailer 11
-
$1,073 USD
View
B
Retailer 12
-
$1,215 USD
£957 GBP
View
Retailer 13
-
$1,380 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,931 USD
View
B
Retailer 15
-
$2,120 USD
View
Most Expensive
B
Brilliant Earth
21404934Y · Oct 29
$2,220 USD
View
15 more retailers have this diamond
Prices start from $220 USDSave up to $2,000 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
$220 USD