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1.57ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG784636784

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784636784

Diamond specifications and retailer prices

From HK$2,919 HKD
$372 USD
As of November 1, 2026
Save HK$5,860 HKD (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$8,779 HKD at MOH London · As of November 1, 2026
View at MOH London

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 LG784636784 or 784636784. Listed at 9 retailers as of November 1, 2026, with prices from HK$2,919 to HK$8,779, a HK$5,860 spread on the same certified stone. MOH London lists it at HK$8,779. 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
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784636784
Dimensions7.51 × 7.47 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm7.47 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784636784
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 60.7%

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 1
Current: HK$8,779 HKD|Low: HK$2,864 HKD|High: HK$8,888 HKD|Avg: HK$5,545 HKD|+2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7HK$2,919 HKD
Retailer 2HK$3,600 HKD
Retailer 8HK$3,876 HKD
Retailer 3HK$4,078 HKD
Retailer 5HK$4,786 HKD
Retailer 4HK$5,767 HKD
Retailer 6HK$7,458 HKD
Retailer 9HK$8,631 HKD
MOH LondonHK$8,779 HKD

40 data points across 9 retailers

9 retailersHK$2,919 HKD to HK$8,779 HKD

B+
Cheapest Retailer
-
HK$2,919 HKD
$372 USD
A
Retailer 2
-
HK$3,600 HKD
€437 EUR
View
A
Retailer 3
-
HK$3,876 HKD
$494 USD
View
A
Retailer 4
-
HK$4,078 HKD
£409 GBP
View
B+
Retailer 5
-
HK$4,786 HKD
$610 USD
View
Retailer 6
-
HK$5,767 HKD
$735 USD
View
Price last confirmed 15 days ago
B
Retailer 7
-
HK$7,458 HKD
$951 USD
View
B
Retailer 8
-
HK$8,631 HKD
$1,100 USD
View
Most Expensive
B
MOH London
LG784636784 · Nov 1
HK$8,779 HKD
£881 GBP
View
8 more retailers have this diamond
Prices start from HK$2,919 HKDSave up to HK$5,860 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 Round
HK$2,919 HKD