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Radiant|Lab Grown|IGI

1.39ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804649569

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

Certificate IGI LG804649569

Diamond specifications and retailer prices

From HK$2,853 HKD
£286 GBP
As of October 30, 2026
Save HK$16,839 HKD (86%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$24,400 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.39ct lab-grown radiant diamond

This 1.39ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804649569 or 804649569. Listed at 9 retailers as of October 30, 2026, with a 590% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649569
Dimensions7.68 × 5.67 × 3.76 mm
L/W Ratio1.35
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
7.68 mm5.67 mm1.39 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649569
Side View
Table 64.0%Crown 45.1°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
A+
Exceptional
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$24,400 HKD|Low: HK$2,316 HKD|High: HK$32,246 HKD|Avg: HK$9,834 HKD|+11.7%
Rare Carat
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 5HK$2,316 HKD
Retailer 6HK$2,589 HKD
Retailer 11HK$2,853 HKD
Retailer 15HK$4,182 HKD
Retailer 2HK$4,197 HKD
Retailer 4HK$5,649 HKD
Retailer 17HK$6,460 HKD
Retailer 7HK$6,483 HKD
Retailer 3HK$6,680 HKD
Retailer 14HK$7,689 HKD
Retailer 8HK$8,152 HKD
Retailer 16HK$9,159 HKD
Retailer 12HK$11,130 HKD
Retailer 9HK$13,227 HKD
Retailer 13HK$17,888 HKD
Retailer 10HK$19,693 HKD
Rare CaratHK$24,400 HKD

19 data points across 17 retailers

9 retailersHK$2,853 HKD to HK$19,693 HKD

A+
Cheapest Retailer
-
HK$2,853 HKD
£286 GBP
A
Retailer 2
-
HK$4,182 HKD
$533 USD
View
A
Retailer 3
-
HK$4,197 HKD
$535 USD
View
B+
Retailer 4
-
HK$7,689 HKD
$980 USD
View
B+
Retailer 5
-
HK$9,159 HKD
$1,167 USD
View
B+
Retailer 6
-
HK$11,130 HKD
£1,117 GBP
View
B
Retailer 7
-
HK$17,888 HKD
$2,280 USD
View
B
Retailer 8
-
HK$19,693 HKD
$2,510 USD
View
Most Expensive
Rare Carat
PD-207741 · Oct 21
HK$24,400 HKD
$3,110 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from HK$2,853 HKDSave up to HK$16,839 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+
1.39ct Radiant
HK$2,853 HKD