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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 $265 NZD
As of November 6, 2026
Save $1,272 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,537 NZD 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 $265 to $1,537, a $1,272 spread on the same certified stone. MOH London lists it at $1,537. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,537 NZD|Low: $251 NZD|High: $1,587 NZD|Avg: $701 NZD|+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$265 NZD
Retailer 13$308 NZD
Retailer 4$330 NZD
Retailer 14$330 NZD
Retailer 2$424 NZD
Retailer 6$518 NZD
Retailer 9$563 NZD
Retailer 11$570 NZD
Retailer 7$608 NZD
Retailer 12$624 NZD
Retailer 10$851 NZD
Retailer 5$904 NZD
Retailer 3$1,059 NZD
Retailer 8$1,353 NZD
MOH London$1,537 NZD

40 data points across 15 retailers

16 retailers$265 NZD to $1,537 NZD

A
Cheapest Retailer
-
$265 NZD
A
Retailer 2
-
$308 NZD
View
Retailer 3
-
$330 NZD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$330 NZD
View
A
Retailer 5
-
$424 NZD
View
B+
Retailer 6
-
$518 NZD
View
B+
Retailer 7
-
$563 NZD
View
A
Retailer 8
-
$570 NZD
View
B+
Retailer 9
-
$608 NZD
View
B+
Retailer 10
-
$624 NZD
View
Retailer 11
-
$821 NZD
View
Price last confirmed 40 days ago
B
Retailer 12
-
$851 NZD
View
B
Retailer 13
-
$904 NZD
View
B
Retailer 14
-
$1,059 NZD
View
B
Retailer 15
-
$1,353 NZD
View
Most Expensive
B
MOH London
LG725510975 · Nov 4
$1,537 NZD
£671 GBP
View
15 more retailers have this diamond
Prices start from $265 NZDSave up to $1,272 NZD

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
$265 NZD