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Radiant|Lab Grown|IGI

0.90ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG591389265

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

Certificate IGI LG591389265

Diamond specifications and retailer prices

From $255 NZD
$144 USD
As of November 1, 2026
Save $1,948 NZD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,204 NZD at MOH London · As of October 27, 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 LG591389265 or 591389265. Listed at 9 retailers as of October 27, 2026, with prices from $255 to $2,204, a $1,948 spread on the same certified stone. MOH London lists it at $2,204. 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 angle37°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591389265
Dimensions7.30 × 4.79 × 3.07 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.30 mm4.79 mm0.90 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591389265
Side View
Table 56.0%Crown 37°Girdle: ThinPavilion 32.8°Culet: NoneDepth 64.1%

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: Nov 1
Current: $2,204 NZD|Low: $241 NZD|High: $2,389 NZD|Avg: $989 NZD|-6.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$255 NZD
Retailer 7$486 NZD
Retailer 5$511 NZD
Retailer 4$665 NZD
Retailer 3$696 NZD
Retailer 2$994 NZD
Retailer 8$1,727 NZD
MOH London$2,204 NZD

23 data points across 8 retailers

9 retailers$255 NZD to $2,204 NZD

A
Cheapest Retailer
-
$255 NZD
$144 USD
Final sale: no returns
A
Retailer 2
-
$511 NZD
$288 USD
View
B+
Retailer 3
-
$665 NZD
$375 USD
View
B+
Retailer 4
-
$696 NZD
$392 USD
View
B+
Retailer 5
-
$859 NZD
£381 GBP
View
B
Retailer 6
-
$910 NZD
£404 GBP
View
Retailer 7
-
$947 NZD
$534 USD
View
Price last confirmed 16 days ago
B
Retailer 8
-
$994 NZD
$560 USD
View
Most Expensive
B
MOH London
LG591389265 · Oct 26
$2,204 NZD
£978 GBP
View
8 more retailers have this diamond
Prices start from $255 NZDSave up to $1,948 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
0.90ct Radiant
$255 NZD