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Marquise|Lab Grown|IGI

1.57ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG849654844

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849654844

Diamond specifications and retailer prices

From HK$1,969 HKD
As of November 4, 2026
Save HK$15,526 HKD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$17,495 HKD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849654844 or 849654844. Listed at 11 retailers as of November 4, 2026, with prices from HK$1,969 to HK$17,495, a HK$15,526 spread on the same certified stone. Do Amore Diamonds lists it at HK$17,495. 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

1.57
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849654844
Dimensions12.12 × 6.26 × 3.74 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.12 mm6.26 mm1.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849654844
Side View
Table 57.0%Crown 30.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.7%

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: Nov 4
Current: HK$17,495 HKD|Low: HK$1,969 HKD|High: HK$17,495 HKD|Avg: HK$6,142 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6HK$1,969 HKD
Retailer 8HK$2,197 HKD
Retailer 7HK$2,283 HKD
Retailer 10HK$2,440 HKD
Retailer 5HK$3,687 HKD
Retailer 2HK$4,691 HKD
Retailer 9HK$5,115 HKD
Retailer 3HK$7,900 HKD
Retailer 11HK$8,661 HKD
Retailer 4HK$9,320 HKD
Do Amore DiamondsHK$17,495 HKD

7 data points across 11 retailers

11 retailersHK$1,969 HKD to HK$17,495 HKD

A
Cheapest Retailer
-
HK$1,969 HKD
A
Retailer 2
-
HK$2,197 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,283 HKD
View
A
Retailer 4
-
HK$2,440 HKD
View
A
Retailer 5
-
HK$3,687 HKD
View
B+
Retailer 6
-
HK$4,691 HKD
View
B+
Retailer 7
-
HK$5,115 HKD
View
B
Retailer 8
-
HK$7,900 HKD
View
B
Retailer 9
-
HK$8,661 HKD
View
B
Retailer 10
-
HK$9,320 HKD
View
Most Expensive
B
Do Amore Diamonds
27-707838CDD · Nov 6
HK$17,495 HKD
$2,230 USD
View
10 more retailers have this diamond
Prices start from HK$1,969 HKDSave up to HK$15,526 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
1.57ct Marquise
HK$1,969 HKD