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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611819

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611819

Diamond specifications and retailer prices

From HK$7,335 HKD
As of November 4, 2026
Save HK$31,734 HKD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$39,069 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611819 or 790611819. Listed at 24 retailers as of November 4, 2026, with prices from HK$7,335 to HK$39,069, a HK$31,734 spread on the same certified stone. Brilliant Earth lists it at HK$39,069. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611819
Dimensions11.81 × 6.10 × 3.82 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
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
11.81 mm6.10 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611819
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.6%

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$39,069 HKD|Low: HK$7,335 HKD|High: HK$39,069 HKD|Avg: HK$17,616 HKD
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 15HK$7,335 HKD
Retailer 5HK$7,979 HKD
Retailer 11HK$8,214 HKD
Retailer 4HK$8,512 HKD
Retailer 19HK$8,512 HKD
Retailer 3HK$9,838 HKD
Retailer 17HK$9,885 HKD
Retailer 22HK$9,987 HKD
Retailer 9HK$10,160 HKD
Retailer 2HK$12,992 HKD
Retailer 18HK$13,525 HKD
Retailer 10HK$13,627 HKD
Retailer 16HK$15,651 HKD
Retailer 21HK$18,930 HKD
Retailer 8HK$23,551 HKD
Retailer 20HK$23,928 HKD
Retailer 6HK$26,627 HKD
Retailer 12HK$27,764 HKD
Retailer 14HK$28,557 HKD
Retailer 13HK$28,862 HKD
Retailer 7HK$29,600 HKD
Brilliant EarthHK$39,069 HKD

38 data points across 22 retailers

24 retailersHK$7,335 HKD to HK$39,069 HKD

A
Cheapest Retailer
-
HK$7,335 HKD
A
Retailer 2
-
HK$7,979 HKD
View
A
Retailer 3
-
HK$8,214 HKD
View
Final sale: no returns
Retailer 4
-
HK$8,512 HKD
View
Price last confirmed 19 days ago
A
Retailer 5
-
HK$8,512 HKD
View
A
Retailer 6
-
HK$9,838 HKD
View
A
Retailer 7
-
HK$9,885 HKD
View
A
Retailer 8
-
HK$9,987 HKD
View
A
Retailer 9
-
HK$10,160 HKD
View
A
Retailer 10
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HK$12,992 HKD
View
Retailer 11
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HK$13,525 HKD
View
Price last confirmed 9 days ago
A
Retailer 12
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HK$13,627 HKD
View
B+
Retailer 13
-
HK$15,651 HKD
View
B+
Retailer 14
-
HK$18,930 HKD
View
B
Retailer 15
-
HK$23,551 HKD
View
B
Retailer 16
-
HK$23,928 HKD
View
B+
Retailer 17
-
HK$25,277 HKD
View
B
Retailer 18
-
HK$26,627 HKD
View
B
Retailer 19
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HK$27,764 HKD
View
B
Retailer 20
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HK$28,557 HKD
View
B
Retailer 21
-
HK$28,862 HKD
View
Retailer 22
-
HK$29,506 HKD
View
Price last confirmed 88 days ago
B
Retailer 23
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HK$29,600 HKD
View
Most Expensive
B
Brilliant Earth
19074259A · Nov 4
HK$39,069 HKD
$4,980 USD
View
23 more retailers have this diamond
Prices start from HK$7,335 HKDSave up to HK$31,734 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
1.55ct Marquise
HK$7,335 HKD