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Radiant|Lab Grown|IGI

3.90ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG762540392

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

Certificate IGI LG762540392

Diamond specifications and retailer prices

From HK$4,613 HKD
$588 USD
As of October 31, 2026
Save HK$33,752 HKD (88%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$38,365 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.9ct lab-grown radiant diamond

This 3.9ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG762540392 or 762540392. Listed at 4 retailers as of October 30, 2026, with prices from HK$4,613 to HK$38,365, a HK$33,752 spread on the same certified stone. Brilliant Earth lists it at HK$38,365. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.90
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762540392
Dimensions10.69 × 7.89 × 5.34 mm
L/W Ratio1.35
Culet sizePointed
Top View
10.69 mm7.89 mm3.90 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762540392
Side View
Table 67.0%Crown 46.3°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 67.7%

Caratlytics Score

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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: Oct 31
Current: HK$38,365 HKD|Low: HK$3,374 HKD|High: HK$39,464 HKD|Avg: HK$14,746 HKD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4HK$4,613 HKD
Retailer 6HK$6,316 HKD
Retailer 8HK$6,526 HKD
Retailer 7HK$7,422 HKD
Retailer 3HK$7,924 HKD
Retailer 2HK$8,319 HKD
Retailer 9HK$15,942 HKD
Retailer 10HK$17,057 HKD
Retailer 11HK$17,876 HKD
Retailer 5HK$30,991 HKD
Brilliant EarthHK$38,365 HKD

39 data points across 11 retailers

4 retailersHK$4,613 HKD to HK$38,365 HKD

A
Cheapest Retailer
-
HK$4,613 HKD
$588 USD
Final sale: no returns
A
Retailer 2
-
HK$8,319 HKD
£835 GBP
View
Retailer 3
-
HK$30,991 HKD
$3,950 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Brilliant Earth
17192827A · Oct 30
HK$38,365 HKD
$4,890 USD
View
3 more retailers have this diamond
Prices start from HK$4,613 HKDSave up to HK$33,752 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
3.90ct Radiant
HK$4,613 HKD