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Radiant|Lab Grown|IGI

3.91ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1

Diamond specifications and retailer prices

From HK$5,610 HKD
$715 USD
As of October 30, 2026
Save HK$26,048 HKD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$31,657 HKD at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

About this 3.91ct lab-grown radiant diamond

This 3.91ct 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. Listed at 8 retailers as of October 30, 2026, with prices from HK$5,610 to HK$31,657, a HK$26,048 spread on the same certified stone. The Diamond Guys lists it at HK$31,657. 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

3.91
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.00 × 7.89 × 5.26 mm
L/W Ratio1.39
Top View
11.00 mm7.89 mm3.91 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.7%

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$9,645 HKD|Low: HK$5,610 HKD|High: HK$34,356 HKD|Avg: HK$14,856 HKD|-7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 30, 2026
Retailer 6HK$5,610 HKD
Retailer 5HK$6,104 HKD
Retailer 3HK$7,799 HKD
Retailer 1HK$9,645 HKD
Retailer 7HK$12,271 HKD
Retailer 2HK$17,952 HKD
Retailer 4HK$20,195 HKD
The Diamond GuysHK$31,657 HKD

31 data points across 8 retailers

8 retailersHK$5,610 HKD to HK$31,657 HKD

A
Cheapest Retailer
-
HK$5,610 HKD
$715 USD
A
Retailer 2
-
HK$6,104 HKD
$778 USD
View
A
Retailer 3
-
HK$7,799 HKD
$994 USD
View
A
Retailer 4
-
HK$9,645 HKD
£968 GBP
View
Retailer 5
-
HK$12,271 HKD
$1,564 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
HK$17,952 HKD
CA$3,178 CAD
View
B+
Retailer 7
-
HK$20,195 HKD
$2,574 USD
View
Most Expensive
B
The Diamond Guys
1920168594 · Oct 31
HK$31,657 HKD
$4,035 USD
View
7 more retailers have this diamond
Prices start from HK$5,610 HKDSave up to HK$26,048 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
3.91ct Radiant
HK$5,610 HKD