Radiant|Lab Grown|IGI

1.02ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG617436553

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

Certificate IGI LG617436553

Diamond specifications and retailer prices

From $124 USD
As of November 4, 2026
Save $1,156 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,280 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct lab-grown radiant diamond

This 1.02ct 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 LG617436553 or 617436553. Listed at 16 retailers as of November 1, 2026, with prices from $124 to $1,280, a $1,156 spread on the same certified stone. MOH London lists it at $1,280. 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

1.02
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617436553
Dimensions7.32 × 4.87 × 3.26 mm
L/W Ratio1.50
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
7.32 mm4.87 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617436553
Side View
Table 66.0%Crown 46.9°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 66.9%

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: $1,280 USD|Low: $124 USD|High: $1,295 USD|Avg: $427 USD|-1.1%
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 5, 2026
Retailer 6$124 USD
Retailer 10$163 USD
Retailer 12$199 USD
Retailer 5$288 USD
Retailer 8$288 USD
Retailer 9$291 USD
Retailer 13$295 USD
Retailer 2$315 USD
Retailer 4$476 USD
Retailer 7$493 USD
Retailer 11$550 USD
Retailer 3$570 USD
MOH London$1,280 USD

35 data points across 13 retailers

16 retailers$124 USD to $1,280 USD

A
Cheapest Retailer
-
$124 USD
Retailer 2
-
$143 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$162 USD
View
Price last confirmed 41 days ago
Retailer 4
-
$163 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$163 USD
View
Price last confirmed 26 days ago
A
Retailer 6
-
$288 USD
View
A
Retailer 7
-
$288 USD
View
A
Retailer 8
-
$291 USD
View
B+
Retailer 9
-
$295 USD
View
A
Retailer 10
-
$315 USD
View
B+
Retailer 11
-
$476 USD
View
B+
Retailer 12
-
$493 USD
View
B+
Retailer 13
-
$550 USD
View
B+
Retailer 14
-
$560 USD
View
B+
Retailer 15
-
$570 USD
View
Most Expensive
B
MOH London
LG617436553 · Nov 1
$1,280 USD
£1,008 GBP
View
15 more retailers have this diamond
Prices start from $124 USDSave up to $1,156 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
1.02ct Radiant
$124 USD