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Radiant|Lab Grown|IGI

1.30ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG551288665

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

Certificate IGI LG551288665

Diamond specifications and retailer prices

From €616 EUR
£544 GBP
As of November 2, 2026
Save €249 EUR (29%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €865 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG551288665 or 551288665. Listed at 2 retailers as of October 28, 2026, with prices from €616 to €865, a €249 spread on the same certified stone. Brilliant Earth lists it at €865. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551288665
Dimensions7.74 × 5.43 × 3.70 mm
L/W Ratio1.43
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
7.74 mm5.43 mm1.30 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551288665
Side View
Table 66.0%Crown 41.9°Girdle: MediumPavilion 36.2°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €865 EUR|Low: €865 EUR|High: €865 EUR|Avg: €865 EUR
December 30, 2025
Brilliant Earth€865 EUR

3 data points across 1 retailer

2 retailers€616 EUR to €865 EUR

B+
Cheapest Retailer
-
€616 EUR
£544 GBP
Most Expensive
B
Brilliant Earth
15633342Y · Oct 28
€865 EUR
$970 USD
View
1 more retailer has this diamond
Prices start from €616 EURSave up to €249 EUR

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.

B+
1.30ct Radiant
€616 EUR