CaratHunter
Plans
Round|Lab Grown|IGI

3.57ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG582385318

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582385318

Diamond specifications and retailer prices

From HK$6,763 HKD
€821 EUR
As of October 29, 2026
Save HK$19,677 HKD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$26,440 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.57ct lab-grown round diamond

This 3.57ct lab-grown round 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 LG582385318 or 582385318. Listed at 13 retailers as of October 29, 2026, with prices from HK$6,763 to HK$26,440, a HK$19,677 spread on the same certified stone. Brilliant Earth lists it at HK$26,440. 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

3.57
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582385318
Dimensions9.75 × 9.80 × 6.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.75 mm9.80 mm3.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582385318
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 41°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 29
Current: HK$26,440 HKD|Low: HK$2,699 HKD|High: HK$29,029 HKD|Avg: HK$10,383 HKD|-8.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10HK$3,782 HKD
Retailer 3HK$6,763 HKD
Retailer 7HK$6,904 HKD
Retailer 8HK$7,634 HKD
Retailer 9HK$7,893 HKD
Retailer 2HK$8,159 HKD
Retailer 6HK$9,030 HKD
Retailer 4HK$12,686 HKD
Retailer 5HK$20,626 HKD
Brilliant EarthHK$26,440 HKD

37 data points across 10 retailers

13 retailersHK$6,763 HKD to HK$26,440 HKD

Retailer 1
-
HK$3,374 HKD
$430 USD
Price last confirmed 37 days ago
Retailer 2
-
HK$3,782 HKD
$482 USD
View
Price last confirmed 37 days ago
Retailer 3
-
HK$4,135 HKD
$527 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
HK$6,763 HKD
€821 EUR
View
A
Retailer 5
-
HK$6,904 HKD
$880 USD
View
B+
Retailer 6
-
HK$7,634 HKD
$973 USD
View
A
Retailer 7
-
HK$7,893 HKD
$1,006 USD
View
B+
Retailer 8
-
HK$8,159 HKD
£819 GBP
View
B+
Retailer 9
-
HK$9,030 HKD
$1,151 USD
View
B
Retailer 10
-
HK$12,686 HKD
$1,617 USD
View
Retailer 11
-
HK$13,463 HKD
$1,716 USD
View
Price last confirmed 34 days ago
B
Retailer 12
-
HK$20,626 HKD
£2,070 GBP
View
Most Expensive
B
Brilliant Earth
7626284A · Oct 29
HK$26,440 HKD
$3,370 USD
View
12 more retailers have this diamond
Prices start from HK$6,763 HKDSave up to HK$19,677 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
3.57ct Round
HK$6,763 HKD