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5.57ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG844649590

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844649590

Diamond specifications and retailer prices

From HK$7,632 HKD
As of October 31, 2026
Save HK$31,361 HKD (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$38,993 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.57ct lab-grown round diamond

This 5.57ct 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 LG844649590 or 844649590. Listed at 7 retailers as of October 28, 2026, with prices from HK$7,632 to HK$38,993, a HK$31,361 spread on the same certified stone. Rare Carat lists it at HK$38,993. 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

5.57
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844649590
Dimensions11.27 × 11.33 × 7.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.27 mm11.33 mm5.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844649590
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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 31
Current: HK$38,993 HKD|Low: HK$7,632 HKD|High: HK$38,993 HKD|Avg: HK$15,699 HKD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7HK$7,632 HKD
Retailer 2HK$10,229 HKD
Retailer 5HK$10,403 HKD
Retailer 3HK$10,405 HKD
Retailer 6HK$20,948 HKD
Retailer 4HK$25,279 HKD
Rare CaratHK$38,993 HKD

9 data points across 7 retailers

7 retailersHK$7,632 HKD to HK$38,993 HKD

A
Cheapest Retailer
-
HK$7,632 HKD
B+
Retailer 2
-
HK$10,229 HKD
£1,027 GBP
View
B+
Retailer 3
-
HK$10,403 HKD
$1,326 USD
View
A
Retailer 4
-
HK$10,405 HKD
€1,263 EUR
View
B
Retailer 5
-
HK$20,948 HKD
$2,670 USD
View
B
Retailer 6
-
HK$25,279 HKD
£2,537 GBP
View
Most Expensive
B
Rare Carat
KI5906495KF844 · Oct 28
HK$38,993 HKD
$4,970 USD
View
6 more retailers have this diamond
Prices start from HK$7,632 HKDSave up to HK$31,361 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
5.57ct Round
HK$7,632 HKD