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12.33ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG577395300

Shape and cutting style on the report: Round brilliant

Certificate IGI LG577395300

Diamond specifications and retailer prices

From HK$11,972 HKD
£1,201 GBP
As of October 30, 2026
Save HK$76,457 HKD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$88,429 HKD at Adiamor · As of October 31, 2026
View at Adiamor

About this 12.33ct lab-grown round diamond

This 12.33ct lab-grown round 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 LG577395300 or 577395300. Listed at 12 retailers as of October 30, 2026, with prices from HK$11,972 to HK$88,429, a HK$76,457 spread on the same certified stone. Adiamor lists it at HK$88,429. 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

12.33
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577395300
Dimensions14.99 × 14.92 × 9.08 mm
L/W Ratio1.00
Girdle conditionFaceted
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
14.99 mm14.92 mm12.33 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577395300
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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$88,429 HKD|Low: HK$11,972 HKD|High: HK$203,487 HKD|Avg: HK$54,213 HKD
Adiamor
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 31, 2026
Retailer 10HK$11,972 HKD
Retailer 11HK$12,812 HKD
Retailer 8HK$13,942 HKD
Retailer 3HK$14,860 HKD
Retailer 12HK$16,201 HKD
Retailer 15HK$17,474 HKD
Retailer 14HK$19,449 HKD
Retailer 2HK$20,978 HKD
Retailer 13HK$23,627 HKD
Retailer 9HK$25,624 HKD
Retailer 4HK$27,852 HKD
Retailer 5HK$56,254 HKD
AdiamorHK$88,429 HKD
Retailer 7HK$159,582 HKD
Retailer 6HK$203,487 HKD

4 data points across 15 retailers

12 retailersHK$11,972 HKD to HK$88,429 HKD

A
Cheapest Retailer
-
HK$11,972 HKD
£1,201 GBP
A
Retailer 2
-
HK$12,812 HKD
$1,633 USD
View
A
Retailer 3
-
HK$13,942 HKD
$1,777 USD
View
A
Retailer 4
-
HK$14,860 HKD
$1,894 USD
View
A
Retailer 5
-
HK$16,201 HKD
$2,065 USD
View
A
Retailer 6
-
HK$17,474 HKD
View
A
Retailer 7
-
HK$19,449 HKD
$2,479 USD
View
A
Retailer 8
-
HK$20,978 HKD
£2,105 GBP
View
A
Retailer 9
-
HK$23,627 HKD
€2,868 EUR
View
A
Retailer 10
-
HK$25,624 HKD
$3,266 USD
View
A
Retailer 11
-
HK$27,852 HKD
$3,550 USD
View
Most Expensive
B
Adiamor
D-82828869 · Oct 31
HK$88,429 HKD
$11,271 USD
View
11 more retailers have this diamond
Prices start from HK$11,972 HKDSave up to HK$76,457 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
12.33ct Round
HK$11,972 HKD