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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611664

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611664

Diamond specifications and retailer prices

From HK$7,233 HKD
As of November 4, 2026
Save HK$31,836 HKD (81%) vs most expensive(unlock to see where)
23 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 LG790611664 or 790611664. Listed at 23 retailers as of November 4, 2026, with prices from HK$7,233 to HK$39,069, a HK$31,836 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 angle34.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611664
Dimensions11.69 × 6.12 × 3.79 mm
L/W Ratio1.91
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
11.69 mm6.12 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611664
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 39.9°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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$7,233 HKD|High: HK$39,069 HKD|Avg: HK$17,116 HKD
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 15HK$7,233 HKD
Retailer 5HK$7,869 HKD
Retailer 11HK$8,096 HKD
Retailer 4HK$8,387 HKD
Retailer 20HK$8,387 HKD
Retailer 19HK$9,736 HKD
Retailer 17HK$9,767 HKD
Retailer 3HK$9,963 HKD
Retailer 9HK$10,050 HKD
Retailer 2HK$12,796 HKD
Retailer 18HK$13,321 HKD
Retailer 10HK$13,455 HKD
Retailer 13HK$15,432 HKD
Retailer 22HK$18,664 HKD
Retailer 8HK$23,190 HKD
Retailer 21HK$23,591 HKD
Retailer 6HK$26,250 HKD
Retailer 12HK$27,435 HKD
Retailer 14HK$28,149 HKD
Retailer 16HK$28,455 HKD
Retailer 7HK$29,168 HKD
Brilliant EarthHK$39,069 HKD

40 data points across 22 retailers

23 retailersHK$7,233 HKD to HK$39,069 HKD

A
Cheapest Retailer
-
HK$7,233 HKD
A
Retailer 2
-
HK$7,869 HKD
View
A
Retailer 3
-
HK$8,096 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$8,387 HKD
View
Retailer 5
-
HK$8,387 HKD
View
Price last confirmed 19 days ago
A
Retailer 6
-
HK$9,736 HKD
View
A
Retailer 7
-
HK$9,767 HKD
View
A
Retailer 8
-
HK$9,963 HKD
View
A
Retailer 9
-
HK$10,050 HKD
View
A
Retailer 10
-
HK$12,796 HKD
View
Retailer 11
-
HK$13,321 HKD
View
Price last confirmed 9 days ago
A
Retailer 12
-
HK$13,455 HKD
View
B+
Retailer 13
-
HK$15,432 HKD
View
B+
Retailer 14
-
HK$18,664 HKD
View
B
Retailer 15
-
HK$23,190 HKD
View
B
Retailer 16
-
HK$23,591 HKD
View
B+
Retailer 17
-
HK$24,909 HKD
View
B
Retailer 18
-
HK$26,250 HKD
View
B
Retailer 19
-
HK$27,435 HKD
View
B+
Retailer 20
-
HK$28,149 HKD
View
B
Retailer 21
-
HK$28,455 HKD
View
B
Retailer 22
-
HK$29,168 HKD
View
Most Expensive
B
Brilliant Earth
19074327A · Nov 4
HK$39,069 HKD
$4,980 USD
View
22 more retailers have this diamond
Prices start from HK$7,233 HKDSave up to HK$31,836 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$7,233 HKD