Radiant|Lab Grown|IGI

1.01ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG585395201

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

Certificate IGI LG585395201

Diamond specifications and retailer prices

From $414 USD
As of November 5, 2026
Save $121 USD (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $535 USD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG585395201 or 585395201. Listed at 2 retailers as of November 5, 2026, with prices from $414 to $535, a $121 spread on the same certified stone. Diamond Quarter lists it at $535. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG585395201
Dimensions6.98 × 4.93 × 3.29 mm
L/W Ratio1.42
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
6.98 mm4.93 mm1.01 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG585395201
Side View
Table 66.0%Crown 38.1°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 66.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $263 USD|Low: $262 USD|High: $960 USD|Avg: $503 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
March 12, 2026
Retailer 2$262 USD
Retailer 1$263 USD
Retailer 3$357 USD
Retailer 9$414 USD
Retailer 7$420 USD
Retailer 8$471 USD
Retailer 5$563 USD
Retailer 4$620 USD
Retailer 6$920 USD

33 data points across 9 retailers

2 retailers$414 USD to $535 USD

B+
Cheapest Retailer
-
$414 USD
Most Expensive
B
Diamond Quarter
1.01SI1GLG01F20CN · Nov 5
$535 USD
£422 GBP
View
1 more retailer has this diamond
Prices start from $414 USDSave up to $121 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.

B+
1.01ct Radiant
$414 USD