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Marquise|Lab Grown|IGI

1.45ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG780665324

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780665324

Diamond specifications and retailer prices

From HK$2,652 HKD
As of November 4, 2026
Save HK$20,886 HKD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$26,950 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.45ct lab-grown marquise diamond

This 1.45ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665324 or 780665324. Listed at 16 retailers as of November 3, 2026, with a 788% 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

1.45
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665324
Dimensions11.57 × 5.83 × 3.72 mm
L/W Ratio1.98
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 mm5.83 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665324
Side View
Table 56.0%Crown 35.2°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 63.8%

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$26,950 HKD|Low: HK$2,652 HKD|High: HK$31,383 HKD|Avg: HK$10,844 HKD|+1.5%
Rare Carat
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 4, 2026
Retailer 12HK$2,652 HKD
Retailer 5HK$3,076 HKD
Retailer 2HK$3,719 HKD
Retailer 8HK$4,033 HKD
Retailer 13HK$4,566 HKD
Retailer 6HK$4,864 HKD
Retailer 16HK$5,296 HKD
Retailer 11HK$6,135 HKD
Retailer 7HK$6,826 HKD
Retailer 14HK$9,635 HKD
Retailer 4HK$9,996 HKD
Retailer 3HK$11,659 HKD
Retailer 9HK$14,162 HKD
Retailer 10HK$21,576 HKD
Retailer 15HK$23,537 HKD
Rare CaratHK$26,950 HKD

41 data points across 16 retailers

16 retailersHK$2,652 HKD to HK$23,537 HKD

A
Cheapest Retailer
-
HK$2,652 HKD
A
Retailer 2
-
HK$3,076 HKD
View
A
Retailer 3
-
HK$3,719 HKD
View
A
Retailer 4
-
HK$4,033 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$4,566 HKD
View
A
Retailer 6
-
HK$4,864 HKD
View
A
Retailer 7
-
HK$5,296 HKD
View
A
Retailer 8
-
HK$6,135 HKD
View
A
Retailer 9
-
HK$6,826 HKD
View
B+
Retailer 10
-
HK$9,635 HKD
View
B+
Retailer 11
-
HK$9,996 HKD
View
B+
Retailer 12
-
HK$11,659 HKD
View
B+
Retailer 13
-
HK$14,162 HKD
View
B
Retailer 14
-
HK$21,576 HKD
View
B
Retailer 15
-
HK$23,537 HKD
View
Most Expensive
Rare Carat
P82P-30B · Oct 28
HK$26,950 HKD
$3,435 USD
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from HK$2,652 HKDSave up to HK$20,886 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
1.45ct Marquise
HK$2,652 HKD