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 HK$3,813 HKD
$486 USD
As of October 30, 2026
Save HK$11,643 HKD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$15,456 HKD 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 HK$3,813 to HK$15,456, a HK$11,643 spread on the same certified stone. Brilliant Earth lists it at HK$15,456. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$15,456 HKD|Low: HK$3,468 HKD|High: HK$15,456 HKD|Avg: HK$7,949 HKD|+2.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6HK$3,813 HKD
Retailer 7HK$4,025 HKD
Retailer 2HK$5,638 HKD
Retailer 3HK$8,078 HKD
Retailer 5HK$9,023 HKD
Retailer 4HK$12,664 HKD
Brilliant EarthHK$15,456 HKD

42 data points across 7 retailers

10 retailersHK$3,813 HKD to HK$15,456 HKD

A
Cheapest Retailer
-
HK$3,813 HKD
$486 USD
A
Retailer 2
-
HK$3,923 HKD
$500 USD
View
A
Retailer 3
-
HK$4,025 HKD
$513 USD
View
B+
Retailer 4
-
HK$5,638 HKD
£566 GBP
View
B
Retailer 5
-
HK$8,078 HKD
A$1,584 AUD
View
Retailer 6
-
HK$9,023 HKD
$1,150 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
HK$10,104 HKD
£1,014 GBP
View
B
Retailer 8
-
HK$11,408 HKD
$1,454 USD
View
B
Retailer 9
-
HK$12,664 HKD
£1,271 GBP
View
Most Expensive
B
Brilliant Earth
16281413A · Oct 31
HK$15,456 HKD
$1,970 USD
View
9 more retailers have this diamond
Prices start from HK$3,813 HKDSave up to HK$11,643 HKD

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
HK$3,813 HKD