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Radiant|Lab Grown|IGI

1.05ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG597395688

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

Certificate IGI LG597395688

Diamond specifications and retailer prices

From $366 USD
€349 EUR
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $366 USD at Yorxs
View at Yorxs

About this 1.05ct lab-grown radiant diamond

This 1.05ct 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 LG597395688 or 597395688. Listed at 2 retailers as of November 2, 2026. 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

1.05
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597395688
Dimensions6.87 × 5.29 × 3.48 mm
L/W Ratio1.30
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
6.87 mm5.29 mm1.05 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597395688
Side View
Table 63.0%Crown 39.7°Girdle: MediumPavilion 34.3°Culet: NoneDepth 65.8%

Caratlytics Score

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

Last verified: Nov 2
Current: $321 USD|Low: $166 USD|High: $1,330 USD|Avg: $449 USD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Yorxs
October 31, 2026
Retailer 7$166 USD
Retailer 5$234 USD
Retailer 2$236 USD
Retailer 10$282 USD
Retailer 1$321 USD
Yorxs$366 USD
Retailer 3$373 USD
Retailer 4$419 USD
Retailer 8$529 USD
Retailer 9$693 USD
Retailer 6$1,330 USD

12 data points across 11 retailers

2 retailers

Retailer 1
-
$282 USD
HK$2,200 HKD
Price last confirmed 59 days ago
Most Expensive
B+
Yorxs
465713485 · Nov 2
$366 USD
€349 EUR
View
1 more retailer has this diamond

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+
1.05ct Radiant
$366 USD