CaratHunter
Plans
Radiant|Lab Grown|IGI

1.05ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG750508267

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

Certificate IGI LG750508267

Diamond specifications and retailer prices

From $390 AUD
$274 USD
As of November 1, 2026
Save $1,280 AUD (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,671 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG750508267 or 750508267. Listed at 7 retailers as of November 1, 2026, with prices from $390 to $1,671, a $1,280 spread on the same certified stone. MOH London lists it at $1,671. 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

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750508267
Dimensions7.42 × 4.92 × 3.33 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm4.92 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750508267
Side View
Table 64.0%Crown 42.6°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 67.7%

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 1
Current: $1,671 AUD|Low: $390 AUD|High: $1,690 AUD|Avg: $822 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$390 AUD
Retailer 4$436 AUD
Retailer 5$487 AUD
Retailer 2$656 AUD
Retailer 3$819 AUD
Retailer 7$1,394 AUD
MOH London$1,671 AUD

41 data points across 7 retailers

7 retailers$390 AUD to $1,671 AUD

A
Cheapest Retailer
-
$390 AUD
$274 USD
B+
Retailer 2
-
$436 AUD
$306 USD
View
A
Retailer 3
-
$487 AUD
$342 USD
View
B+
Retailer 4
-
$656 AUD
£363 GBP
View
B+
Retailer 5
-
$819 AUD
$575 USD
View
B
Retailer 6
-
$1,394 AUD
$979 USD
View
Most Expensive
B
MOH London
LG750508267 · Nov 1
$1,671 AUD
£924 GBP
View
6 more retailers have this diamond
Prices start from $390 AUDSave up to $1,280 AUD

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
1.05ct Radiant
$390 AUD