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Round|Lab Grown|IGI

1.57ct G SI1 Round Lab Grown Diamond

ID • G/SI1

Diamond specifications and retailer prices

From HK$4,676 HKD
$596 USD
As of November 1, 2026
Save HK$6,356 HKD (58%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$11,032 HKD at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 30, 2026, with prices from HK$4,676 to HK$11,032, a HK$6,356 spread on the same certified stone. Diamond Exchange Canada lists it at HK$11,032. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.51 × 7.57 × 4.55 mm
L/W Ratio1.01
Top View
7.51 mm7.57 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$11,032 HKD|Low: HK$4,676 HKD|High: HK$11,032 HKD|Avg: HK$7,854 HKD
Diamond Exchange Canada
Retailer 2
October 17, 2026
Retailer 2HK$4,676 HKD
Diamond Exchange CanadaHK$11,032 HKD

2 data points across 2 retailers

2 retailersHK$4,676 HKD to HK$11,032 HKD

B+
Cheapest Retailer
-
HK$4,676 HKD
$596 USD
Most Expensive
C
Diamond Exchange Canada
1960631756 · Oct 30
HK$11,032 HKD
CA$1,953 CAD
View
1 more retailer has this diamond
Prices start from HK$4,676 HKDSave up to HK$6,356 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.

B+
1.57ct Round
HK$4,676 HKD