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Radiant|Lab Grown|IGI

1.00ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG750577905

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

Certificate IGI LG750577905

Diamond specifications and retailer prices

From $262 NZD
$147 USD
As of October 27, 2026
Save $1,267 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,529 NZD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG750577905 or 750577905. Listed at 15 retailers as of October 27, 2026, with prices from $262 to $1,529, a $1,267 spread on the same certified stone. MOH London lists it at $1,529. 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

1.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750577905
Dimensions7.08 × 5.05 × 3.29 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm5.05 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750577905
Side View
Table 63.0%Crown 42.9°Girdle: MediumPavilion 34.4°Culet: NoneDepth 65.1%

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: Oct 27
Current: $1,529 NZD|Low: $247 NZD|High: $1,540 NZD|Avg: $702 NZD|+1.3%
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
October 29, 2026
Retailer 13$262 NZD
Retailer 12$326 NZD
Retailer 15$326 NZD
Retailer 11$437 NZD
Retailer 4$461 NZD
Retailer 2$561 NZD
Retailer 10$593 NZD
Retailer 5$600 NZD
Retailer 8$618 NZD
Retailer 9$831 NZD
Retailer 7$837 NZD
Retailer 3$892 NZD
Retailer 14$1,045 NZD
Retailer 6$1,424 NZD
MOH London$1,529 NZD

34 data points across 15 retailers

15 retailers$262 NZD to $1,529 NZD

A
Cheapest Retailer
-
$262 NZD
$147 USD
A
Retailer 2
-
$326 NZD
$183 USD
View
A
Retailer 3
-
$326 NZD
$183 USD
View
Retailer 4
-
$437 NZD
£193 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
$461 NZD
$259 USD
View
A
Retailer 6
-
$561 NZD
£248 GBP
View
B+
Retailer 7
-
$593 NZD
€317 EUR
View
B+
Retailer 8
-
$600 NZD
$337 USD
View
A
Retailer 9
-
$618 NZD
£273 GBP
View
B
Retailer 10
-
$831 NZD
$467 USD
View
Retailer 11
-
$837 NZD
$470 USD
View
Price last confirmed 31 days ago
B+
Retailer 12
-
$892 NZD
$501 USD
View
B
Retailer 13
-
$1,045 NZD
$587 USD
View
B
Retailer 14
-
$1,424 NZD
$800 USD
View
Most Expensive
B
MOH London
LG750577905 · Oct 29
$1,529 NZD
£676 GBP
View
14 more retailers have this diamond
Prices start from $262 NZDSave up to $1,267 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
$262 NZD