Radiant|Lab Grown|IGI

3.90ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG769666213

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

Certificate IGI LG769666213

Diamond specifications and retailer prices

From HK$5,045 HKD
$643 USD
As of October 29, 2026
Save HK$37,130 HKD (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$42,174 HKD at Frank Darling · As of October 28, 2026
View at Frank Darling

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 LG769666213 or 769666213. Listed at 6 retailers as of October 28, 2026, with prices from HK$5,045 to HK$42,174, a HK$37,130 spread on the same certified stone. Frank Darling lists it at HK$42,174. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769666213
Dimensions7.82 × 7.82 × 11.05 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.82 mm7.82 mm3.90 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769666213
Side View
Table 67.0%Crown 43.5°Girdle: MediumPavilion 34.4°Culet: NoneDepth 66.0%

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 29
Current: HK$42,174 HKD|Low: HK$3,366 HKD|High: HK$72,887 HKD|Avg: HK$20,125 HKD|-5.4%
Frank Darling
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 28, 2026
Retailer 5HK$3,384 HKD
Retailer 2HK$5,045 HKD
Retailer 4HK$6,041 HKD
Retailer 10HK$6,967 HKD
Retailer 3HK$7,398 HKD
Retailer 13HK$8,816 HKD
Retailer 7HK$12,483 HKD
Retailer 6HK$12,490 HKD
Retailer 14HK$15,663 HKD
Retailer 17HK$17,705 HKD
Retailer 12HK$18,720 HKD
Retailer 15HK$19,605 HKD
Retailer 9HK$24,402 HKD
Retailer 11HK$29,578 HKD
Retailer 16HK$37,502 HKD
Frank DarlingHK$42,174 HKD
Retailer 8HK$72,887 HKD

18 data points across 17 retailers

6 retailersHK$5,045 HKD to HK$42,174 HKD

A
Cheapest Retailer
-
HK$5,045 HKD
$643 USD
Final sale: no returns
B+
Retailer 2
-
HK$6,967 HKD
$888 USD
View
Retailer 3
-
HK$18,720 HKD
$2,386 USD
View
Price last confirmed 25 days ago
Retailer 4
-
HK$24,402 HKD
A$4,785 AUD
View
Price last confirmed 119 days ago
Retailer 5
-
HK$29,578 HKD
$3,770 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Frank Darling
100758035630KD · Oct 28
HK$42,174 HKD
$5,375 USD
View
5 more retailers have this diamond
Prices start from HK$5,045 HKDSave up to HK$37,130 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$5,045 HKD