Radiant|Lab Grown|IGI

1.04ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG631416456

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

Certificate IGI LG631416456

Diamond specifications and retailer prices

From $115 USD
As of November 4, 2026
Save $1,071 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,186 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.04ct lab-grown radiant diamond

This 1.04ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG631416456 or 631416456. Listed at 13 retailers as of November 1, 2026, with prices from $115 to $1,186, a $1,071 spread on the same certified stone. MOH London lists it at $1,186. 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

1.04
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631416456
Dimensions7.11 × 5.04 × 3.42 mm
L/W Ratio1.41
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
7.11 mm5.04 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631416456
Side View
Table 64.0%Crown 39.3°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.9%

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 4
Current: $1,186 USD|Low: $115 USD|High: $1,193 USD|Avg: $415 USD|-0.5%
MOH London
Retailer 2
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Retailer 11
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Retailer 17
November 5, 2026
Retailer 11$115 USD
Retailer 14$133 USD
Retailer 12$151 USD
Retailer 4$166 USD
Retailer 2$183 USD
Retailer 5$250 USD
Retailer 3$269 USD
Retailer 17$279 USD
Retailer 10$285 USD
Retailer 16$293 USD
Retailer 7$377 USD
Retailer 13$457 USD
Retailer 15$509 USD
Retailer 8$514 USD
Retailer 6$628 USD
Retailer 9$1,020 USD
MOH London$1,186 USD

9 data points across 17 retailers

13 retailers$115 USD to $1,186 USD

A
Cheapest Retailer
-
$115 USD
A
Retailer 2
-
$133 USD
View
A
Retailer 3
-
$151 USD
View
A
Retailer 4
-
$166 USD
View
A
Retailer 5
-
$183 USD
View
A
Retailer 6
-
$269 USD
View
B+
Retailer 7
-
$279 USD
View
A
Retailer 8
-
$285 USD
View
A
Retailer 9
-
$293 USD
View
B+
Retailer 10
-
$457 USD
View
B+
Retailer 11
-
$509 USD
View
B+
Retailer 12
-
$563 USD
View
Most Expensive
B
MOH London
LG631416456 · Nov 1
$1,186 USD
£934 GBP
View
12 more retailers have this diamond
Prices start from $115 USDSave up to $1,071 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
1.04ct Radiant
$115 USD