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Oval|Lab Grown|IGI

4.22ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG628437673

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG628437673

Diamond specifications and retailer prices

From HK$3,711 HKD
$473 USD
As of October 29, 2026
Save HK$25,789 HKD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$29,500 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.22ct lab-grown oval diamond

This 4.22ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628437673 or 628437673. Listed at 16 retailers as of October 29, 2026, with prices from HK$3,711 to HK$29,500, a HK$25,789 spread on the same certified stone. Brilliant Earth lists it at HK$29,500. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.22
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628437673
Dimensions13.04 × 9.21 × 5.70 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.04 mm9.21 mm4.22 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628437673
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

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$29,500 HKD|Low: HK$3,562 HKD|High: HK$29,500 HKD|Avg: HK$10,508 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 5HK$3,711 HKD
Retailer 16HK$3,861 HKD
Retailer 13HK$4,158 HKD
Retailer 3HK$4,598 HKD
Retailer 17HK$4,598 HKD
Retailer 11HK$5,688 HKD
Retailer 6HK$7,179 HKD
Retailer 2HK$7,439 HKD
Retailer 10HK$7,633 HKD
Retailer 7HK$7,885 HKD
Retailer 9HK$11,761 HKD
Retailer 14HK$12,365 HKD
Retailer 8HK$12,999 HKD
Retailer 4HK$14,789 HKD
Retailer 12HK$16,919 HKD
Retailer 15HK$27,068 HKD
Brilliant EarthHK$29,500 HKD

39 data points across 17 retailers

16 retailersHK$3,711 HKD to HK$29,500 HKD

A
Cheapest Retailer
-
HK$3,711 HKD
$473 USD
Retailer 2
-
HK$3,861 HKD
£387 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$4,158 HKD
$530 USD
View
Retailer 4
-
HK$4,598 HKD
$586 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$4,598 HKD
$586 USD
View
A
Retailer 6
-
HK$5,688 HKD
$725 USD
View
B+
Retailer 7
-
HK$7,179 HKD
$915 USD
View
A
Retailer 8
-
HK$7,439 HKD
€903 EUR
View
A
Retailer 9
-
HK$7,633 HKD
£766 GBP
View
A
Retailer 10
-
HK$7,885 HKD
$1,005 USD
View
B+
Retailer 11
-
HK$11,761 HKD
$1,499 USD
View
B+
Retailer 12
-
HK$12,365 HKD
$1,576 USD
View
B+
Retailer 13
-
HK$14,789 HKD
$1,885 USD
View
B
Retailer 14
-
HK$16,919 HKD
£1,698 GBP
View
Retailer 15
-
HK$27,068 HKD
$3,450 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
9832002A · Oct 29
HK$29,500 HKD
$3,760 USD
View
15 more retailers have this diamond
Prices start from HK$3,711 HKDSave up to HK$25,789 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
4.22ct Oval
HK$3,711 HKD