Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG725510975

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

Certificate IGI LG725510975

Diamond specifications and retailer prices

From $147 USD
As of November 6, 2026
Save $705 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $852 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG725510975 or 725510975. Listed at 16 retailers as of November 4, 2026, with prices from $147 to $852, a $705 spread on the same certified stone. MOH London lists it at $852. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725510975
Dimensions7.66 × 4.81 × 3.04 mm
L/W Ratio1.59
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.66 mm4.81 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725510975
Side View
Table 59.0%Crown 39.5°Girdle: MED-STKPavilion 31.2°Culet: NoneDepth 63.2%

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 6
Current: $852 USD|Low: $139 USD|High: $880 USD|Avg: $389 USD|+0.6%
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 15$147 USD
Retailer 13$171 USD
Retailer 4$183 USD
Retailer 14$183 USD
Retailer 2$235 USD
Retailer 6$287 USD
Retailer 9$312 USD
Retailer 11$316 USD
Retailer 7$337 USD
Retailer 12$346 USD
Retailer 10$472 USD
Retailer 5$501 USD
Retailer 3$587 USD
Retailer 8$750 USD
MOH London$852 USD

40 data points across 15 retailers

16 retailers$147 USD to $852 USD

A
Cheapest Retailer
-
$147 USD
A
Retailer 2
-
$171 USD
View
Retailer 3
-
$183 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$183 USD
View
A
Retailer 5
-
$235 USD
View
B+
Retailer 6
-
$287 USD
View
B+
Retailer 7
-
$312 USD
View
A
Retailer 8
-
$316 USD
View
B+
Retailer 9
-
$337 USD
View
B+
Retailer 10
-
$346 USD
View
Retailer 11
-
$455 USD
View
Price last confirmed 40 days ago
B
Retailer 12
-
$472 USD
View
B
Retailer 13
-
$501 USD
View
B
Retailer 14
-
$587 USD
View
B
Retailer 15
-
$750 USD
View
Most Expensive
B
MOH London
LG725510975 · Nov 4
$852 USD
£671 GBP
View
15 more retailers have this diamond
Prices start from $147 USDSave up to $705 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
1.00ct Radiant
$147 USD