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Radiant|Lab Grown|IGI

1.07ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG575311757

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

Certificate IGI LG575311757

Diamond specifications and retailer prices

From $122 USD
As of November 3, 2026
Save $1,006 USD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,128 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.07ct lab-grown radiant diamond

This 1.07ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG575311757 or 575311757. Listed at 11 retailers as of November 2, 2026, with prices from $122 to $1,128, a $1,006 spread on the same certified stone. MOH London lists it at $1,128. 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

1.07
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575311757
Dimensions7.39 × 4.96 × 3.27 mm
L/W Ratio1.49
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
7.39 mm4.96 mm1.07 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575311757
Side View
Table 67.5%Crown 47.1°Girdle: MediumPavilion 29.9°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
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: Nov 3
Current: $1,128 USD|Low: $105 USD|High: $1,140 USD|Avg: $376 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$105 USD
Retailer 12$122 USD
Retailer 10$126 USD
Retailer 8$144 USD
Retailer 11$154 USD
Retailer 6$190 USD
Retailer 2$256 USD
Retailer 13$292 USD
Retailer 7$484 USD
Retailer 5$492 USD
Retailer 4$501 USD
Retailer 3$903 USD
MOH London$1,128 USD

14 data points across 13 retailers

11 retailers$122 USD to $1,128 USD

A
Cheapest Retailer
-
$122 USD
Final sale: no returns
Retailer 2
-
$144 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
$154 USD
HK$1,200 HKD
View
B+
Retailer 4
-
$190 USD
View
A
Retailer 5
-
$256 USD
£202 GBP
View
A
Retailer 6
-
$292 USD
View
Retailer 7
-
$434 USD
View
Price last confirmed 33 days ago
B+
Retailer 8
-
$484 USD
View
B+
Retailer 9
-
$492 USD
View
B
Retailer 10
-
$903 USD
View
Most Expensive
B
MOH London
LG575311757 · Nov 2
$1,128 USD
£888 GBP
View
10 more retailers have this diamond
Prices start from $122 USDSave up to $1,006 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
1.07ct Radiant
$122 USD