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1.57ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG476157423

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476157423

Diamond specifications and retailer prices

From HK$6,983 HKD
$890 USD
As of October 30, 2026
Save HK$29,037 HKD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$36,020 HKD at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476157423 or 476157423. Listed at 10 retailers as of October 29, 2026, with prices from HK$6,983 to HK$36,020, a HK$29,037 spread on the same certified stone. MOH London lists it at HK$36,020. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476157423
Dimensions7.37 × 7.33 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.37 mm7.33 mm1.57 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476157423
Side View
Table 56.5%Crown 35.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.1%

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 30
Current: HK$36,020 HKD|Low: HK$6,983 HKD|High: HK$36,309 HKD|Avg: HK$19,621 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2HK$6,983 HKD
Retailer 4HK$12,106 HKD
Retailer 7HK$14,120 HKD
Retailer 6HK$17,174 HKD
Retailer 3HK$19,818 HKD
Retailer 5HK$22,768 HKD
Retailer 8HK$28,084 HKD
MOH LondonHK$36,020 HKD

14 data points across 8 retailers

10 retailersHK$6,983 HKD to HK$36,020 HKD

A
Cheapest Retailer
-
HK$6,983 HKD
$890 USD
B+
Retailer 2
-
HK$10,811 HKD
$1,378 USD
View
B+
Retailer 3
-
HK$11,769 HKD
$1,500 USD
View
B+
Retailer 4
-
HK$12,106 HKD
$1,543 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$12,545 HKD
$1,599 USD
View
Retailer 6
-
HK$12,545 HKD
$1,599 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
HK$19,818 HKD
$2,526 USD
View
B
Retailer 8
-
HK$22,768 HKD
$2,902 USD
View
B
Retailer 9
-
HK$23,514 HKD
$2,997 USD
View
Most Expensive
B
MOH London
LG476157423 · Oct 29
HK$36,020 HKD
£3,615 GBP
View
9 more retailers have this diamond
Prices start from HK$6,983 HKDSave up to HK$29,037 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$6,983 HKD