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Radiant|Lab Grown|IGI

3.92ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG777618033

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

Certificate IGI LG777618033

Diamond specifications and retailer prices

From HK$4,637 HKD
$591 USD
As of October 30, 2026
Save HK$33,886 HKD (88%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$38,522 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.92ct lab-grown radiant diamond

This 3.92ct 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 LG777618033 or 777618033. Listed at 4 retailers as of October 29, 2026, with prices from HK$4,637 to HK$38,522, a HK$33,886 spread on the same certified stone. Brilliant Earth lists it at HK$38,522. 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

3.92
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777618033
Dimensions11.24 × 7.72 × 5.27 mm
L/W Ratio1.46
Culet sizePointed
Top View
11.24 mm7.72 mm3.92 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777618033
Side View
Table 67.0%Crown 43.4°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.3%

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 30
Current: HK$38,522 HKD|Low: HK$3,062 HKD|High: HK$39,699 HKD|Avg: HK$14,387 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 4HK$3,062 HKD
Retailer 5HK$4,637 HKD
Retailer 9HK$5,296 HKD
Retailer 6HK$7,446 HKD
Retailer 12HK$7,956 HKD
Retailer 2HK$8,361 HKD
Retailer 7HK$14,229 HKD
Retailer 8HK$16,099 HKD
Retailer 10HK$17,136 HKD
Retailer 11HK$17,942 HKD
Retailer 3HK$31,335 HKD
Brilliant EarthHK$38,522 HKD

39 data points across 12 retailers

4 retailersHK$4,637 HKD to HK$38,522 HKD

A
Cheapest Retailer
-
HK$4,637 HKD
$591 USD
Final sale: no returns
A
Retailer 2
-
HK$8,361 HKD
£839 GBP
View
Retailer 3
-
HK$31,335 HKD
$3,994 USD
View
Price last confirmed 65 days ago
Most Expensive
B
Brilliant Earth
18052649A · Oct 29
HK$38,522 HKD
$4,910 USD
View
3 more retailers have this diamond
Prices start from HK$4,637 HKDSave up to HK$33,886 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
3.92ct Radiant
HK$4,637 HKD