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Oval|Lab Grown|IGI

10.18ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG583319019

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG583319019

Diamond specifications and retailer prices

From HK$14,374 HKD
£1,442 GBP
As of October 27, 2026
Save HK$119,565 HKD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$133,938 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.18ct lab-grown oval diamond

This 10.18ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG583319019 or 583319019. Listed at 10 retailers as of October 27, 2026, with prices from HK$14,374 to HK$133,938, a HK$119,565 spread on the same certified stone. Brilliant Earth lists it at HK$133,938. 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

10.18
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583319019
Dimensions17.53 × 12.20 × 7.68 mm
L/W Ratio1.44
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
17.53 mm12.20 mm10.18 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583319019
Side View
Table 60.0%Crown 36.1°Girdle: MediumPavilion 41°Culet: NoneDepth 63.0%

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$131,898 HKD|Low: HK$14,374 HKD|High: HK$131,898 HKD|Avg: HK$55,402 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
October 29, 2026
Retailer 10HK$14,374 HKD
Retailer 11HK$22,632 HKD
Retailer 12HK$22,951 HKD
Retailer 6HK$23,502 HKD
Retailer 5HK$27,070 HKD
Retailer 9HK$30,099 HKD
Retailer 4HK$31,011 HKD
Retailer 15HK$40,381 HKD
Retailer 8HK$43,116 HKD
Retailer 13HK$51,402 HKD
Retailer 3HK$56,360 HKD
Retailer 14HK$77,318 HKD
Retailer 2HK$86,310 HKD
Retailer 7HK$113,892 HKD
Brilliant EarthHK$131,898 HKD

8 data points across 15 retailers

10 retailersHK$14,374 HKD to HK$133,938 HKD

A
Cheapest Retailer
-
HK$14,374 HKD
£1,442 GBP
A
Retailer 2
-
HK$22,632 HKD
£2,271 GBP
View
B+
Retailer 3
-
HK$22,951 HKD
$2,925 USD
View
B+
Retailer 4
-
HK$30,099 HKD
$3,836 USD
View
B+
Retailer 5
-
HK$40,381 HKD
$5,146 USD
View
B
Retailer 6
-
HK$51,402 HKD
$6,551 USD
View
B
Retailer 7
-
HK$56,360 HKD
$7,183 USD
View
B
Retailer 8
-
HK$77,318 HKD
$9,854 USD
View
B
Retailer 9
-
HK$86,310 HKD
$11,000 USD
View
Most Expensive
B
Brilliant Earth
22301413A · Oct 29
HK$133,938 HKD
$17,070 USD
View
9 more retailers have this diamond
Prices start from HK$14,374 HKDSave up to HK$119,565 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
10.18ct Oval
HK$14,374 HKD