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Radiant|Lab Grown|IGI

3.77ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG815616329

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

Certificate IGI LG815616329

Diamond specifications and retailer prices

From HK$6,921 HKD
$882 USD
As of October 29, 2026
Save HK$38,505 HKD (85%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$45,427 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.77ct lab-grown radiant diamond

This 3.77ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815616329 or 815616329. Listed at 7 retailers as of October 29, 2026, with prices from HK$6,921 to HK$45,427, a HK$38,505 spread on the same certified stone. Brilliant Earth lists it at HK$45,427. 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

3.77
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815616329
Dimensions10.55 × 7.81 × 5.30 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.55 mm7.81 mm3.77 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815616329
Side View
Table 67.0%Crown 45.8°Girdle: MediumPavilion 36.4°Culet: NoneDepth 67.9%

Caratlytics Score

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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$45,427 HKD|Low: HK$3,083 HKD|High: HK$45,427 HKD|Avg: HK$13,392 HKD|+3.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9HK$4,276 HKD
Retailer 6HK$6,921 HKD
Retailer 8HK$7,618 HKD
Retailer 3HK$7,822 HKD
Retailer 7HK$8,502 HKD
Retailer 4HK$11,133 HKD
Retailer 5HK$14,706 HKD
Retailer 10HK$15,609 HKD
Retailer 2HK$34,548 HKD
Brilliant EarthHK$45,427 HKD

14 data points across 10 retailers

7 retailersHK$6,921 HKD to HK$45,427 HKD

A
Cheapest Retailer
-
HK$6,921 HKD
$882 USD
B+
Retailer 2
-
HK$7,822 HKD
$997 USD
View
Retailer 3
-
HK$8,502 HKD
€1,032 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$11,133 HKD
$1,419 USD
View
B+
Retailer 5
-
HK$14,706 HKD
$1,874 USD
View
B
Retailer 6
-
HK$34,548 HKD
$4,403 USD
View
Most Expensive
B
Brilliant Earth
22171034A · Oct 29
HK$45,427 HKD
$5,790 USD
View
6 more retailers have this diamond
Prices start from HK$6,921 HKDSave up to HK$38,505 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
3.77ct Radiant
HK$6,921 HKD