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Oval|Lab Grown|IGI

4.12ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG811635518

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811635518

Diamond specifications and retailer prices

From HK$19,522 HKD
$2,488 USD
As of October 29, 2026
Save HK$107,747 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$127,269 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.12ct lab-grown oval diamond

This 4.12ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811635518 or 811635518. Listed at 14 retailers as of October 29, 2026, with prices from HK$19,522 to HK$127,269, a HK$107,747 spread on the same certified stone. Brilliant Earth lists it at HK$127,269. 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

4.12
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635518
Dimensions13.03 × 9.10 × 5.48 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
13.03 mm9.10 mm4.12 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635518
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.2%

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$127,269 HKD|Low: HK$19,459 HKD|High: HK$195,611 HKD|Avg: HK$58,175 HKD|-14.5%
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
October 29, 2026
Retailer 10HK$19,522 HKD
Retailer 7HK$20,204 HKD
Retailer 4HK$25,862 HKD
Retailer 6HK$29,314 HKD
Retailer 9HK$29,589 HKD
Retailer 12HK$30,342 HKD
Retailer 14HK$34,689 HKD
Retailer 13HK$35,039 HKD
Retailer 5HK$43,108 HKD
Retailer 3HK$55,592 HKD
Retailer 2HK$56,969 HKD
Retailer 8HK$85,706 HKD
Retailer 11HK$112,204 HKD
Brilliant EarthHK$127,269 HKD

33 data points across 14 retailers

14 retailersHK$19,522 HKD to HK$127,269 HKD

A
Cheapest Retailer
-
HK$19,522 HKD
$2,488 USD
A
Retailer 2
-
HK$20,204 HKD
$2,575 USD
View
Retailer 3
-
HK$25,862 HKD
$3,296 USD
View
Price last confirmed 28 days ago
Retailer 4
-
HK$29,314 HKD
$3,736 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
HK$29,589 HKD
$3,771 USD
View
A
Retailer 6
-
HK$30,342 HKD
$3,867 USD
View
A
Retailer 7
-
HK$34,689 HKD
$4,421 USD
View
A
Retailer 8
-
HK$35,039 HKD
€4,253 EUR
View
Retailer 9
-
HK$43,108 HKD
$5,494 USD
View
Price last confirmed 29 days ago
Retailer 10
-
HK$55,592 HKD
$7,085 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$56,969 HKD
£5,717 GBP
View
B
Retailer 12
-
HK$85,706 HKD
$10,923 USD
View
B
Retailer 13
-
HK$112,204 HKD
$14,300 USD
View
Most Expensive
B
Brilliant Earth
21060298Y · Oct 29
HK$127,269 HKD
$16,220 USD
View
13 more retailers have this diamond
Prices start from HK$19,522 HKDSave up to HK$107,747 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
4.12ct Oval
HK$19,522 HKD