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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611669

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611669

Diamond specifications and retailer prices

From HK$7,280 HKD
As of November 4, 2026
Save HK$25,881 HKD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$64,644 HKD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG790611669 or 790611669. Listed at 22 retailers as of November 4, 2026, with a 355% 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

1.55
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611669
Dimensions11.57 × 6.09 × 3.86 mm
L/W Ratio1.90
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
11.57 mm6.09 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611669
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.4%

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$64,644 HKD|Low: HK$7,280 HKD|High: HK$64,644 HKD|Avg: HK$18,962 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
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Retailer 21
Retailer 22
November 5, 2026
Retailer 10HK$7,280 HKD
Retailer 8HK$7,531 HKD
Retailer 19HK$7,924 HKD
Retailer 11HK$8,151 HKD
Retailer 9HK$8,441 HKD
Retailer 21HK$8,441 HKD
Retailer 20HK$9,807 HKD
Retailer 22HK$10,097 HKD
Retailer 4HK$11,344 HKD
Retailer 2HK$13,305 HKD
Retailer 3HK$13,525 HKD
Retailer 13HK$17,142 HKD
Retailer 14HK$17,471 HKD
Retailer 18HK$18,781 HKD
Retailer 15HK$25,701 HKD
Retailer 7HK$26,407 HKD
Retailer 5HK$27,325 HKD
Retailer 17HK$28,870 HKD
Retailer 16HK$31,608 HKD
Retailer 12HK$32,848 HKD
Retailer 6HK$33,162 HKD
Do Amore DiamondsHK$64,644 HKD

45 data points across 22 retailers

22 retailersHK$7,280 HKD to HK$33,162 HKD

A
Cheapest Retailer
-
HK$7,280 HKD
A
Retailer 2
-
HK$7,531 HKD
View
A
Retailer 3
-
HK$7,924 HKD
View
A
Retailer 4
-
HK$8,151 HKD
View
Final sale: no returns
Retailer 5
-
HK$8,441 HKD
View
Price last confirmed 19 days ago
A
Retailer 6
-
HK$8,441 HKD
View
A
Retailer 7
-
HK$9,807 HKD
View
A
Retailer 8
-
HK$10,097 HKD
View
A
Retailer 9
-
HK$11,344 HKD
View
A
Retailer 10
-
HK$13,305 HKD
View
A
Retailer 11
-
HK$13,525 HKD
View
B+
Retailer 12
-
HK$17,142 HKD
View
B+
Retailer 13
-
HK$17,471 HKD
View
B+
Retailer 14
-
HK$18,781 HKD
View
B
Retailer 15
-
HK$25,701 HKD
View
B+
Retailer 16
-
HK$26,407 HKD
View
B
Retailer 17
-
HK$27,325 HKD
View
B
Retailer 18
-
HK$28,870 HKD
View
B
Retailer 19
-
HK$31,608 HKD
View
B
Retailer 20
-
HK$32,848 HKD
View
B
Retailer 21
-
HK$33,162 HKD
View
Most Expensive
Do Amore Diamonds
27-B7711CEBB · Nov 4
HK$64,644 HKD
$8,240 USD
View
Price under review
21 more retailers have this diamond
Prices start from HK$7,280 HKDSave up to HK$25,881 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$7,280 HKD