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Radiant|Lab Grown|IGI

0.90ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG414079780

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

Certificate IGI LG414079780

Diamond specifications and retailer prices

From $362 AUD
$254 USD
As of October 30, 2026
Save $1,363 AUD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,725 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown radiant diamond

This 0.9ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG414079780 or 414079780. Listed at 5 retailers as of October 29, 2026, with prices from $362 to $1,725, a $1,363 spread on the same certified stone. MOH London lists it at $1,725. 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

0.90
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414079780
Dimensions6.25 × 5.19 × 3.39 mm
L/W Ratio1.20
Cert comments
As Grown - No indication of post growth treatment. This Laboratory Grown Diamond was created by high pressure high temperature process (HPHT).
Top View
6.25 mm5.19 mm0.90 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG414079780
Side View
Table 68.5%Crown 33.1°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 65.3%

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: Oct 30
Current: $1,725 AUD|Low: $282 AUD|High: $1,736 AUD|Avg: $970 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$362 AUD
Retailer 3$401 AUD
Retailer 2$415 AUD
Retailer 5$554 AUD
Retailer 6$1,196 AUD
Retailer 7$1,537 AUD
Retailer 8$1,537 AUD
MOH London$1,725 AUD

35 data points across 8 retailers

5 retailers$362 AUD to $1,725 AUD

A
Cheapest Retailer
-
$362 AUD
$254 USD
A
Retailer 2
-
$401 AUD
$282 USD
View
A
Retailer 3
-
$415 AUD
£230 GBP
View
B+
Retailer 4
-
$554 AUD
$389 USD
View
Most Expensive
B
MOH London
LG414079780 · Oct 29
$1,725 AUD
£954 GBP
View
4 more retailers have this diamond
Prices start from $362 AUDSave up to $1,363 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
0.90ct Radiant
$362 AUD