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Cushion|Lab Grown|IGI

4.07ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG815608377

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815608377

Diamond specifications and retailer prices

From HK$3,821 HKD
$487 USD
As of November 1, 2026
Save HK$18,226 HKD (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$22,048 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.07ct lab-grown cushion diamond

This 4.07ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815608377 or 815608377. Listed at 4 retailers as of November 1, 2026, with prices from HK$3,821 to HK$22,048, a HK$18,226 spread on the same certified stone. Brilliant Earth lists it at HK$22,048. 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

4.07
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815608377
Dimensions11.28 × 8.28 × 5.56 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm8.28 mm4.07 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815608377
Side View
Table 62.0%Crown 36.9°Girdle: MED-THKPavilion 38°Culet: NoneDepth 67.1%

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: Nov 1
Current: HK$22,048 HKD|Low: HK$3,821 HKD|High: HK$22,832 HKD|Avg: HK$11,584 HKD|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 3HK$3,821 HKD
Retailer 6HK$6,771 HKD
Retailer 2HK$7,263 HKD
Retailer 5HK$8,317 HKD
Retailer 7HK$9,745 HKD
Retailer 8HK$14,734 HKD
Retailer 4HK$17,301 HKD
Brilliant EarthHK$22,048 HKD

38 data points across 8 retailers

4 retailersHK$3,821 HKD to HK$22,048 HKD

A
Cheapest Retailer
-
HK$3,821 HKD
$487 USD
Final sale: no returns
A
Retailer 2
-
HK$7,263 HKD
£729 GBP
View
Retailer 3
-
HK$17,301 HKD
$2,205 USD
View
Price last confirmed 23 days ago
Most Expensive
B+
Brilliant Earth
21223227A · Nov 2
HK$22,048 HKD
$2,810 USD
View
3 more retailers have this diamond
Prices start from HK$3,821 HKDSave up to HK$18,226 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
4.07ct Cushion
HK$3,821 HKD