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Oval|Lab Grown|IGI

3.00ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG818630594

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818630594

Diamond specifications and retailer prices

From HK$3,232 HKD
$412 USD
As of October 30, 2026
Save HK$31,053 HKD (91%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$34,286 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3ct lab-grown oval diamond

This 3ct 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 LG818630594 or 818630594. Listed at 13 retailers as of October 29, 2026, with prices from HK$3,232 to HK$34,286, a HK$31,053 spread on the same certified stone. Brilliant Earth lists it at HK$34,286. 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

3.00
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818630594
Dimensions12.02 × 7.80 × 4.98 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.02 mm7.80 mm3.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818630594
Side View
Table 58.0%Crown 39.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$34,286 HKD|Low: HK$2,299 HKD|High: HK$34,286 HKD|Avg: HK$9,032 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11HK$3,232 HKD
Retailer 3HK$3,578 HKD
Retailer 4HK$4,393 HKD
Retailer 6HK$4,747 HKD
Retailer 10HK$4,802 HKD
Retailer 7HK$5,931 HKD
Retailer 2HK$6,456 HKD
Retailer 8HK$10,490 HKD
Retailer 9HK$13,562 HKD
Retailer 5HK$14,049 HKD
Brilliant EarthHK$34,286 HKD

41 data points across 11 retailers

13 retailersHK$3,232 HKD to HK$34,286 HKD

Retailer 1
-
HK$2,887 HKD
$368 USD
Price last confirmed 39 days ago
A
Retailer 2
-
HK$3,232 HKD
$412 USD
View
Final sale: no returns
Retailer 3
-
HK$3,531 HKD
$450 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
HK$4,393 HKD
£441 GBP
View
A
Retailer 5
-
HK$4,747 HKD
$605 USD
View
B+
Retailer 6
-
HK$4,802 HKD
$612 USD
View
A
Retailer 7
-
HK$6,456 HKD
£648 GBP
View
A
Retailer 8
-
HK$7,626 HKD
$972 USD
View
B+
Retailer 9
-
HK$10,490 HKD
$1,337 USD
View
B+
Retailer 10
-
HK$11,809 HKD
$1,505 USD
View
B+
Retailer 11
-
HK$13,562 HKD
$1,729 USD
View
B+
Retailer 12
-
HK$14,049 HKD
£1,410 GBP
View
Most Expensive
B
Brilliant Earth
20907018A · Oct 29
HK$34,286 HKD
$4,370 USD
View
12 more retailers have this diamond
Prices start from HK$3,232 HKDSave up to HK$31,053 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
3.00ct Oval
HK$3,232 HKD