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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG811619672

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619672

Diamond specifications and retailer prices

From HK$2,016 HKD
As of November 4, 2026
Save HK$9,533 HKD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$20,007 HKD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811619672 or 811619672. Listed at 26 retailers as of October 30, 2026, with a 473% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619672
Dimensions10.33 × 5.38 × 3.33 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.33 mm5.38 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619672
Side View
Table 62.0%Crown 32.8°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$20,007 HKD|Low: HK$1,938 HKD|High: HK$20,007 HKD|Avg: HK$6,366 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 7HK$2,016 HKD
Retailer 4HK$2,338 HKD
Retailer 6HK$2,503 HKD
Retailer 9HK$2,503 HKD
Retailer 11HK$2,566 HKD
Retailer 10HK$3,374 HKD
Retailer 16HK$3,766 HKD
Retailer 14HK$4,315 HKD
Retailer 3HK$4,543 HKD
Retailer 2HK$4,692 HKD
Retailer 17HK$4,778 HKD
Retailer 13HK$6,135 HKD
Retailer 12HK$7,681 HKD
Retailer 8HK$8,042 HKD
Retailer 15HK$10,019 HKD
Retailer 5HK$10,043 HKD
Retailer 18HK$11,549 HKD
Brilliant EarthHK$20,007 HKD

36 data points across 18 retailers

26 retailersHK$2,016 HKD to HK$11,549 HKD

A
Cheapest Retailer
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HK$2,016 HKD
A
Retailer 2
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HK$2,252 HKD
View
Final sale: no returns
A
Retailer 3
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HK$2,338 HKD
View
Retailer 4
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HK$2,503 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
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HK$2,503 HKD
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A
Retailer 6
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HK$2,566 HKD
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A
Retailer 7
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HK$3,374 HKD
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A
Retailer 8
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HK$3,766 HKD
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A
Retailer 9
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HK$4,315 HKD
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A
Retailer 10
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HK$4,417 HKD
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A
Retailer 11
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HK$4,543 HKD
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A
Retailer 12
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HK$4,692 HKD
View
A
Retailer 13
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HK$4,755 HKD
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A
Retailer 14
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HK$4,778 HKD
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B+
Retailer 15
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HK$6,135 HKD
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B+
Retailer 16
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HK$6,386 HKD
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B+
Retailer 17
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HK$6,724 HKD
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B+
Retailer 18
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HK$7,681 HKD
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B+
Retailer 19
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HK$8,042 HKD
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B+
Retailer 20
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HK$8,442 HKD
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B
Retailer 21
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HK$9,799 HKD
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B+
Retailer 22
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HK$10,019 HKD
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Retailer 23
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HK$10,043 HKD
View
Price last confirmed 8 days ago
B
Retailer 24
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HK$10,788 HKD
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B
Retailer 25
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HK$11,549 HKD
View
Most Expensive
Brilliant Earth
20879627A · Oct 16
HK$20,007 HKD
$2,550 USD
View
Price last confirmed 19 days ago
25 more retailers have this diamond
Prices start from HK$2,016 HKDSave up to HK$9,533 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
1.05ct Marquise
HK$2,016 HKD