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Radiant|Lab Grown|IGI

0.90ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG515228290

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

Certificate IGI LG515228290

Diamond specifications and retailer prices

From $277 NZD
$156 USD
As of October 30, 2026
Save $2,389 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,666 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.9ct lab-grown radiant diamond

This 0.9ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG515228290 or 515228290. Listed at 16 retailers as of October 30, 2026, with prices from $277 to $2,666, a $2,389 spread on the same certified stone. Do Amore Diamonds lists it at $2,666. 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
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515228290
Dimensions6.72 × 4.78 × 3.22 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.72 mm4.78 mm0.90 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515228290
Side View
Table 66.5%Crown 46.8°Girdle: Slightly ThickPavilionCulet: NoneDepth 67.4%

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 30
Current: $677 NZD|Low: $267 NZD|High: $1,794 NZD|Avg: $799 NZD|+4.6%
Retailer 1
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 2, 2026
Retailer 12$277 NZD
Retailer 3$311 NZD
Retailer 2$322 NZD
Retailer 4$343 NZD
Retailer 13$343 NZD
Retailer 15$627 NZD
Retailer 10$675 NZD
Retailer 1$677 NZD
Retailer 5$729 NZD
Retailer 6$788 NZD
Retailer 9$942 NZD
Retailer 11$1,166 NZD
Retailer 14$1,219 NZD
Retailer 7$1,345 NZD
Retailer 8$1,772 NZD

44 data points across 15 retailers

16 retailers$277 NZD to $2,666 NZD

A
Cheapest Retailer
-
$277 NZD
$156 USD
B+
Retailer 2
-
$311 NZD
$175 USD
View
Final sale: no returns
B+
Retailer 3
-
$322 NZD
$181 USD
View
B+
Retailer 4
-
$343 NZD
$193 USD
View
Retailer 5
-
$343 NZD
$193 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$393 NZD
$221 USD
View
B+
Retailer 7
-
$627 NZD
$353 USD
View
B+
Retailer 8
-
$675 NZD
$380 USD
View
B+
Retailer 9
-
$677 NZD
£300 GBP
View
B+
Retailer 10
-
$729 NZD
$410 USD
View
B
Retailer 11
-
$942 NZD
$530 USD
View
B
Retailer 12
-
$1,166 NZD
$656 USD
View
B
Retailer 13
-
$1,219 NZD
$686 USD
View
B
Retailer 14
-
$1,528 NZD
$860 USD
View
B
Retailer 15
-
$1,772 NZD
£785 GBP
View
Most Expensive
C
Do Amore Diamonds
27-415D00FDF · Nov 2
$2,666 NZD
$1,500 USD
View
15 more retailers have this diamond
Prices start from $277 NZDSave up to $2,389 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
$277 NZD