Radiant|Lab Grown|IGI

1.55ct G VVS1 Radiant Lab Grown Diamond

EX • G/VVS1 • IGI LG840612739

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

Certificate IGI LG840612739

Diamond specifications and retailer prices

From $235 USD
As of November 1, 2026
Save $1,385 USD (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,620 USD at Brilliant Earth · As of October 31, 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840612739 or 840612739. Listed at 3 retailers as of October 31, 2026, with prices from $235 to $1,620, a $1,385 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
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840612739
Dimensions8.22 × 5.69 × 3.86 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.69 mm1.55 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840612739
Side View
Table 67.0%Crown 45.6°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,620 USD|Low: $230 USD|High: $1,650 USD|Avg: $862 USD|-1.2%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$235 USD
Retailer 2$499 USD
Brilliant Earth$1,620 USD

29 data points across 3 retailers

3 retailers$235 USD to $1,620 USD

A
Cheapest Retailer
-
$235 USD
Final sale: no returns
A
Retailer 2
-
$499 USD
£393 GBP
View
Most Expensive
B
Brilliant Earth
21613293A · Oct 31
$1,620 USD
View
2 more retailers have this diamond
Prices start from $235 USDSave up to $1,385 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
$235 USD