Radiant|Lab Grown|IGI

0.98ct D IF Radiant Lab Grown Diamond

GD • D/IF • IGI LG639459590

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

Certificate IGI LG639459590

Diamond specifications and retailer prices

From $862 NZD
$486 USD
As of November 1, 2026
Save $2,633 NZD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,495 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 0.98ct lab-grown radiant diamond

This 0.98ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG639459590 or 639459590. Listed at 10 retailers as of October 31, 2026, with prices from $862 to $3,495, a $2,633 spread on the same certified stone. Brilliant Earth lists it at $3,495. 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

0.98
Carat
D
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639459590
Dimensions6.83 × 5.04 × 3.41 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm5.04 mm0.98 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639459590
Side View
Table 64.0%Crown 41.6°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 67.7%

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: Nov 1
Current: $3,495 NZD|Low: $784 NZD|High: $3,495 NZD|Avg: $1,816 NZD|+2.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$862 NZD
Retailer 7$910 NZD
Retailer 2$1,275 NZD
Retailer 4$1,827 NZD
Retailer 5$2,040 NZD
Retailer 3$2,860 NZD
Brilliant Earth$3,495 NZD

42 data points across 7 retailers

10 retailers$862 NZD to $3,495 NZD

A
Cheapest Retailer
-
$862 NZD
$486 USD
A
Retailer 2
-
$887 NZD
$500 USD
View
A
Retailer 3
-
$910 NZD
$513 USD
View
B+
Retailer 4
-
$1,275 NZD
£566 GBP
View
B
Retailer 5
-
$1,827 NZD
A$1,584 AUD
View
Retailer 6
-
$2,040 NZD
$1,150 USD
View
Price last confirmed 14 days ago
B
Retailer 7
-
$2,285 NZD
£1,014 GBP
View
B
Retailer 8
-
$2,580 NZD
$1,454 USD
View
B
Retailer 9
-
$2,860 NZD
£1,269 GBP
View
Most Expensive
B
Brilliant Earth
16281413A · Oct 31
$3,495 NZD
$1,970 USD
View
9 more retailers have this diamond
Prices start from $862 NZDSave up to $2,633 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
0.98ct Radiant
$862 NZD