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Radiant|Lab Grown|IGI

3.88ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG818690020

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

Certificate IGI LG818690020

Diamond specifications and retailer prices

From HK$5,021 HKD
$640 USD
As of October 29, 2026
Save HK$36,939 HKD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$41,961 HKD at Frank Darling · As of October 26, 2026
View at Frank Darling

About this 3.88ct lab-grown radiant diamond

This 3.88ct 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 LG818690020 or 818690020. Listed at 5 retailers as of October 26, 2026, with prices from HK$5,021 to HK$41,961, a HK$36,939 spread on the same certified stone. Frank Darling lists it at HK$41,961. 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

3.88
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818690020
Dimensions10.66 × 7.87 × 5.34 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.66 mm7.87 mm3.88 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818690020
Side View
Table 67.0%Crown 46.2°Girdle: MediumPavilion 36.5°Culet: NoneDepth 67.9%

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$41,961 HKD|Low: HK$3,350 HKD|High: HK$41,963 HKD|Avg: HK$21,098 HKD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2HK$5,021 HKD
Retailer 3HK$6,928 HKD
Retailer 5HK$18,626 HKD
Retailer 4HK$28,794 HKD
Retailer 6HK$37,267 HKD
Frank DarlingHK$41,961 HKD

19 data points across 6 retailers

5 retailersHK$5,021 HKD to HK$41,961 HKD

A
Cheapest Retailer
-
HK$5,021 HKD
$640 USD
Final sale: no returns
B+
Retailer 2
-
HK$6,928 HKD
$883 USD
View
Retailer 3
-
HK$18,626 HKD
$2,374 USD
View
Price last confirmed 25 days ago
Retailer 4
-
HK$28,794 HKD
$3,670 USD
View
Price last confirmed 26 days ago
Most Expensive
B
Frank Darling
100753340690KD · Oct 26
HK$41,961 HKD
$5,348 USD
View
4 more retailers have this diamond
Prices start from HK$5,021 HKDSave up to HK$36,939 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
3.88ct Radiant
HK$5,021 HKD