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Marquise|Lab Grown|IGI

1.45ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG778628373

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778628373

Diamond specifications and retailer prices

From HK$1,852 HKD
As of November 4, 2026
Save HK$9,839 HKD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$11,690 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778628373 or 778628373. Listed at 19 retailers as of November 4, 2026, with prices from HK$1,852 to HK$11,690, a HK$9,839 spread on the same certified stone. Brilliant Earth lists it at HK$11,690. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778628373
Dimensions11.45 × 5.93 × 3.70 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.45 mm5.93 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778628373
Side View
Table 60.0%Crown 35.7°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 62.4%

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$11,690 HKD|Low: HK$1,781 HKD|High: HK$15,142 HKD|Avg: HK$5,384 HKD|-22.8%
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 3HK$1,852 HKD
Retailer 14HK$2,063 HKD
Retailer 4HK$2,299 HKD
Retailer 7HK$2,299 HKD
Retailer 6HK$3,884 HKD
Retailer 12HK$3,962 HKD
Retailer 2HK$4,292 HKD
Retailer 13HK$4,731 HKD
Retailer 8HK$4,841 HKD
Retailer 10HK$5,618 HKD
Retailer 11HK$6,104 HKD
Retailer 5HK$7,383 HKD
Retailer 15HK$7,626 HKD
Retailer 16HK$7,924 HKD
Retailer 9HK$9,172 HKD
Brilliant EarthHK$11,690 HKD

45 data points across 16 retailers

19 retailersHK$1,852 HKD to HK$11,690 HKD

A
Cheapest Retailer
-
HK$1,852 HKD
A
Retailer 2
-
HK$2,063 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,150 HKD
View
Retailer 4
-
HK$2,299 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
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HK$2,299 HKD
View
A
Retailer 6
-
HK$3,884 HKD
View
A
Retailer 7
-
HK$3,962 HKD
View
A
Retailer 8
-
HK$4,292 HKD
View
A
Retailer 9
-
HK$4,731 HKD
View
B+
Retailer 10
-
HK$4,841 HKD
View
B+
Retailer 11
-
HK$5,061 HKD
View
B+
Retailer 12
-
HK$5,618 HKD
View
B+
Retailer 13
-
HK$6,104 HKD
View
B+
Retailer 14
-
HK$7,383 HKD
View
Retailer 15
-
HK$7,626 HKD
View
Price last confirmed 7 days ago
B
Retailer 16
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HK$7,783 HKD
View
Retailer 17
-
HK$7,924 HKD
View
Price last confirmed 8 days ago
B
Retailer 18
-
HK$9,172 HKD
View
Most Expensive
B
Brilliant Earth
18170094A · Nov 4
HK$11,690 HKD
$1,490 USD
View
18 more retailers have this diamond
Prices start from HK$1,852 HKDSave up to HK$9,839 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$1,852 HKD