Radiant|Lab Grown|IGI

1.03ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG794641601

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

Certificate IGI LG794641601

Diamond specifications and retailer prices

From $146 USD
As of November 6, 2026
Save $700 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $846 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794641601 or 794641601. Listed at 11 retailers as of November 4, 2026, with prices from $146 to $846, a $700 spread on the same certified stone. MOH London lists it at $846. 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

1.03
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794641601
Dimensions7.35 × 4.87 × 3.32 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.35 mm4.87 mm1.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794641601
Side View
Table 64.0%Crown 23.6°Girdle: MED-STKPavilion 36.6°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $846 USD|Low: $86 USD|High: $1,003 USD|Avg: $432 USD|+2.8%
MOH London
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
November 6, 2026
Retailer 4$86 USD
Retailer 14$146 USD
Retailer 15$162 USD
Retailer 13$170 USD
Retailer 3$181 USD
Retailer 2$215 USD
Retailer 5$298 USD
Retailer 10$312 USD
Retailer 16$335 USD
Retailer 6$421 USD
Retailer 7$448 USD
Retailer 11$583 USD
Retailer 17$642 USD
Retailer 8$644 USD
Retailer 12$800 USD
MOH London$846 USD
Retailer 9$1,003 USD

42 data points across 17 retailers

11 retailers$146 USD to $846 USD

A
Cheapest Retailer
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$146 USD
A
Retailer 2
-
$162 USD
View
Final sale: no returns
A
Retailer 3
-
$170 USD
View
A
Retailer 4
-
$181 USD
View
A
Retailer 5
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$215 USD
View
A
Retailer 6
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$312 USD
View
A
Retailer 7
-
$335 USD
View
B+
Retailer 8
-
$583 USD
View
B
Retailer 9
-
$642 USD
View
B
Retailer 10
-
$800 USD
View
Most Expensive
B
MOH London
LG794641601 · Nov 4
$846 USD
£666 GBP
View
10 more retailers have this diamond
Prices start from $146 USDSave up to $700 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
1.03ct Radiant
$146 USD