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Oval|Lab Grown|IGI

18.19ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG584388837

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG584388837

Diamond specifications and retailer prices

From HK$33,126 HKD
£3,325 GBP
As of October 27, 2026
Save HK$187,809 HKD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$220,935 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 18.19ct lab-grown oval diamond

This 18.19ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG584388837 or 584388837. Listed at 12 retailers as of October 27, 2026, with prices from HK$33,126 to HK$220,935, a HK$187,809 spread on the same certified stone. Do Amore Diamonds lists it at HK$220,935. 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

18.19
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG584388837
Dimensions21.33 × 14.95 × 9.21 mm
L/W Ratio1.43
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
21.33 mm14.95 mm18.19 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG584388837
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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 27
Current: HK$220,935 HKD|Low: HK$33,126 HKD|High: HK$650,326 HKD|Avg: HK$170,483 HKD
Do Amore Diamonds
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
November 1, 2026
Retailer 12HK$33,126 HKD
Retailer 10HK$45,968 HKD
Retailer 2HK$57,784 HKD
Retailer 13HK$59,980 HKD
Retailer 11HK$60,239 HKD
Retailer 8HK$65,151 HKD
Retailer 6HK$75,118 HKD
Retailer 3HK$102,571 HKD
Retailer 4HK$112,589 HKD
Retailer 14HK$138,375 HKD
Retailer 9HK$179,189 HKD
Retailer 15HK$203,227 HKD
Do Amore DiamondsHK$220,935 HKD
Retailer 5HK$226,819 HKD
Retailer 7HK$650,326 HKD

9 data points across 15 retailers

12 retailersHK$33,126 HKD to HK$220,935 HKD

A
Cheapest Retailer
-
HK$33,126 HKD
£3,325 GBP
B+
Retailer 2
-
HK$45,968 HKD
$5,859 USD
View
B+
Retailer 3
-
HK$57,784 HKD
$7,365 USD
View
B+
Retailer 4
-
HK$59,980 HKD
$7,645 USD
View
B
Retailer 5
-
HK$60,239 HKD
$7,678 USD
View
B
Retailer 6
-
HK$65,151 HKD
£6,539 GBP
View
B
Retailer 7
-
HK$102,571 HKD
$13,074 USD
View
B
Retailer 8
-
HK$138,375 HKD
$17,637 USD
View
B
Retailer 9
-
HK$179,189 HKD
$22,839 USD
View
B
Retailer 10
-
HK$203,227 HKD
$25,903 USD
View
B
Retailer 11
-
HK$207,833 HKD
$26,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-6BE5192AA · Oct 29
HK$220,935 HKD
$28,160 USD
View
11 more retailers have this diamond
Prices start from HK$33,126 HKDSave up to HK$187,809 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
18.19ct Oval
HK$33,126 HKD