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Marquise|Lab Grown|IGI

1.00ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG506176879

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG506176879

Diamond specifications and retailer prices

From HK$4,480 HKD
$571 USD
As of November 2, 2026
Save HK$19,653 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$24,133 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506176879 or 506176879. Listed at 12 retailers as of November 1, 2026, with prices from HK$4,480 to HK$24,133, a HK$19,653 spread on the same certified stone. MOH London lists it at HK$24,133. 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

1.00
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506176879
Dimensions10.31 × 5.30 × 3.06 mm
L/W Ratio1.95
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
10.31 mm5.30 mm1.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506176879
Side View
Table 59.0%Crown 38.2°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 57.7%

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 2
Current: HK$24,133 HKD|Low: HK$4,307 HKD|High: HK$24,422 HKD|Avg: HK$10,613 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6HK$4,480 HKD
Retailer 2HK$4,551 HKD
Retailer 9HK$5,021 HKD
Retailer 7HK$5,563 HKD
Retailer 4HK$6,590 HKD
Retailer 8HK$8,560 HKD
Retailer 11HK$8,842 HKD
Retailer 5HK$13,793 HKD
Retailer 3HK$14,896 HKD
Retailer 10HK$17,206 HKD
MOH LondonHK$24,133 HKD

20 data points across 11 retailers

12 retailersHK$4,480 HKD to HK$24,133 HKD

A
Cheapest Retailer
-
HK$4,480 HKD
$571 USD
A
Retailer 2
-
HK$4,551 HKD
$580 USD
View
A
Retailer 3
-
HK$5,021 HKD
$640 USD
View
Final sale: no returns
A
Retailer 4
-
HK$5,021 HKD
$640 USD
View
Retailer 5
-
HK$5,563 HKD
$709 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
HK$5,563 HKD
$709 USD
View
B+
Retailer 7
-
HK$6,590 HKD
$840 USD
View
B+
Retailer 8
-
HK$8,560 HKD
$1,091 USD
View
B
Retailer 9
-
HK$13,793 HKD
$1,758 USD
View
B
Retailer 10
-
HK$14,624 HKD
$1,864 USD
View
B
Retailer 11
-
HK$17,206 HKD
$2,193 USD
View
Most Expensive
B
MOH London
LG506176879 · Nov 1
HK$24,133 HKD
£2,422 GBP
View
11 more retailers have this diamond
Prices start from HK$4,480 HKDSave up to HK$19,653 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
1.00ct Marquise
HK$4,480 HKD