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 €435 EUR
$486 USD
As of October 30, 2026
Save €1,328 EUR (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,763 EUR 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 30, 2026, with prices from €435 to €1,763, a €1,328 spread on the same certified stone. Brilliant Earth lists it at €1,763. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,763 EUR|Low: €396 EUR|High: €1,763 EUR|Avg: €906 EUR|+2.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 6€435 EUR
Retailer 7€459 EUR
Retailer 2€643 EUR
Retailer 3€922 EUR
Retailer 5€1,029 EUR
Retailer 4€1,445 EUR
Brilliant Earth€1,763 EUR

41 data points across 7 retailers

10 retailers€435 EUR to €1,763 EUR

A
Cheapest Retailer
-
€435 EUR
$486 USD
A
Retailer 2
-
€448 EUR
$500 USD
View
A
Retailer 3
-
€459 EUR
$513 USD
View
B+
Retailer 4
-
€643 EUR
£566 GBP
View
B
Retailer 5
-
€922 EUR
A$1,584 AUD
View
Retailer 6
-
€1,029 EUR
$1,150 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
€1,153 EUR
£1,014 GBP
View
B
Retailer 8
-
€1,302 EUR
$1,454 USD
View
B
Retailer 9
-
€1,445 EUR
£1,271 GBP
View
Most Expensive
B
Brilliant Earth
16281413A · Oct 31
€1,763 EUR
$1,970 USD
View
9 more retailers have this diamond
Prices start from €435 EURSave up to €1,328 EUR

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
€435 EUR