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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG811619399

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619399

Diamond specifications and retailer prices

From HK$8,065 HKD
As of November 4, 2026
Save HK$31,083 HKD (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$39,148 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 LG811619399 or 811619399. Listed at 25 retailers as of November 4, 2026, with prices from HK$8,065 to HK$39,148, a HK$31,083 spread on the same certified stone. Brilliant Earth lists it at HK$39,148. 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 angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619399
Dimensions9.35 × 6.66 × 4.01 mm
L/W Ratio1.40
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
9.35 mm6.66 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619399
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

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 4
Current: HK$39,148 HKD|Low: HK$7,743 HKD|High: HK$39,148 HKD|Avg: HK$16,947 HKD|+0.2%
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
November 5, 2026
Retailer 5HK$8,065 HKD
Retailer 16HK$8,771 HKD
Retailer 3HK$9,351 HKD
Retailer 4HK$9,351 HKD
Retailer 10HK$10,544 HKD
Retailer 14HK$10,709 HKD
Retailer 11HK$13,196 HKD
Retailer 9HK$13,353 HKD
Retailer 7HK$13,376 HKD
Retailer 15HK$15,322 HKD
Retailer 12HK$17,205 HKD
Retailer 6HK$17,534 HKD
Retailer 13HK$18,044 HKD
Retailer 8HK$27,615 HKD
Retailer 2HK$31,632 HKD
Brilliant EarthHK$39,148 HKD

37 data points across 16 retailers

25 retailersHK$8,065 HKD to HK$39,148 HKD

A
Cheapest Retailer
-
HK$8,065 HKD
A
Retailer 2
-
HK$8,771 HKD
View
A
Retailer 3
-
HK$9,030 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$9,351 HKD
View
Retailer 5
-
HK$9,351 HKD
View
Price last confirmed 19 days ago
A
Retailer 6
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HK$10,238 HKD
View
A
Retailer 7
-
HK$10,544 HKD
View
A
Retailer 8
-
HK$10,709 HKD
View
A
Retailer 9
-
HK$10,944 HKD
View
B+
Retailer 10
-
HK$13,196 HKD
View
A
Retailer 11
-
HK$13,353 HKD
View
A
Retailer 12
-
HK$13,376 HKD
View
Retailer 13
-
HK$15,322 HKD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
HK$17,205 HKD
View
B+
Retailer 15
-
HK$17,534 HKD
View
B+
Retailer 16
-
HK$18,044 HKD
View
B+
Retailer 17
-
HK$19,550 HKD
View
B
Retailer 18
-
HK$25,819 HKD
View
B
Retailer 19
-
HK$27,615 HKD
View
B
Retailer 20
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HK$28,996 HKD
View
B
Retailer 21
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HK$30,086 HKD
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B
Retailer 22
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HK$31,342 HKD
View
B
Retailer 23
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HK$31,632 HKD
View
B
Retailer 24
-
HK$32,628 HKD
View
Most Expensive
B
Brilliant Earth
20637611A · Nov 4
HK$39,148 HKD
$4,990 USD
View
24 more retailers have this diamond
Prices start from HK$8,065 HKDSave up to HK$31,083 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$8,065 HKD