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Marquise|Lab Grown|IGI

1.05ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG843623987

Shape and cutting style on the report: Marquise rose cut

Certificate IGI LG843623987

Diamond specifications and retailer prices

From HK$27,388 HKD
As of November 6, 2026
Save HK$12,317 HKD (31%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$53,123 HKD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG843623987 or 843623987. Listed at 11 retailers as of November 6, 2026, with a 45% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.05
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843623987
Dimensions8.94 × 5.79 × 2.98 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.94 mm5.79 mm1.05 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843623987
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 51.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$46,059 HKD|Low: HK$27,388 HKD|High: HK$94,260 HKD|Avg: HK$45,211 HKD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Yorxs
November 6, 2026
Retailer 6HK$27,388 HKD
Retailer 2HK$29,804 HKD
Retailer 5HK$30,636 HKD
Retailer 9HK$30,675 HKD
Retailer 8HK$31,773 HKD
Retailer 10HK$39,705 HKD
Retailer 1HK$46,059 HKD
Retailer 4HK$49,284 HKD
YorxsHK$53,123 HKD
Retailer 3HK$67,869 HKD
Retailer 7HK$92,471 HKD

14 data points across 11 retailers

11 retailersHK$27,388 HKD to HK$39,705 HKD

B
Cheapest Retailer
-
HK$27,388 HKD
B
Retailer 2
-
HK$29,804 HKD
View
B
Retailer 3
-
HK$30,636 HKD
View
B
Retailer 4
-
HK$30,675 HKD
View
Final sale: no returns
B
Retailer 5
-
HK$31,773 HKD
View
B
Retailer 6
-
HK$39,705 HKD
View
Retailer 7
-
HK$46,059 HKD
View
Price under review
Retailer 8
-
HK$49,284 HKD
View
Price under review
Most Expensive
Yorxs
EABCA05B2 · Nov 6
HK$53,123 HKD
€6,449 EUR
View
Price under review
8 more retailers have this diamond
Prices start from HK$27,388 HKDSave up to HK$12,317 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
1.05ct Marquise
HK$27,388 HKD