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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG825654747

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825654747

Diamond specifications and retailer prices

From HK$2,220 HKD
$283 USD
As of November 2, 2026
Save HK$9,392 HKD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$11,612 HKD at With Clarity · As of November 1, 2026
View at With Clarity

About this 1.78ct lab-grown marquise diamond

This 1.78ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825654747 or 825654747. Listed at 22 retailers as of November 1, 2026, with prices from HK$2,220 to HK$11,612, a HK$9,392 spread on the same certified stone. With Clarity lists it at HK$11,612. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654747
Dimensions12.37 × 6.44 × 3.87 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.37 mm6.44 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654747
Side View
Table 57.0%Crown 32.3°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.1%

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 2
Current: HK$7,195 HKD|Low: HK$2,220 HKD|High: HK$11,730 HKD|Avg: HK$6,166 HKD|-7.8%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
With Clarity
November 2, 2026
Retailer 10HK$2,220 HKD
Retailer 11HK$2,479 HKD
Retailer 7HK$2,581 HKD
Retailer 4HK$2,754 HKD
Retailer 6HK$2,754 HKD
Retailer 12HK$3,221 HKD
Retailer 2HK$4,002 HKD
Retailer 20HK$4,543 HKD
Retailer 16HK$4,752 HKD
Retailer 15HK$4,824 HKD
Retailer 8HK$5,469 HKD
Retailer 18HK$5,477 HKD
Retailer 19HK$6,411 HKD
Retailer 1HK$7,195 HKD
Retailer 3HK$8,527 HKD
Retailer 13HK$8,849 HKD
Retailer 5HK$8,858 HKD
Retailer 9HK$9,256 HKD
Retailer 21HK$9,690 HKD
Retailer 14HK$10,600 HKD
Retailer 17HK$11,041 HKD
With ClarityHK$11,612 HKD

21 data points across 22 retailers

22 retailersHK$2,220 HKD to HK$11,612 HKD

A
Cheapest Retailer
-
HK$2,220 HKD
$283 USD
A
Retailer 2
-
HK$2,479 HKD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,581 HKD
$329 USD
View
Retailer 4
-
HK$2,754 HKD
$351 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,754 HKD
$351 USD
View
A
Retailer 6
-
HK$3,221 HKD
£323 GBP
View
A
Retailer 7
-
HK$4,002 HKD
$510 USD
View
A
Retailer 8
-
HK$4,543 HKD
$579 USD
View
A
Retailer 9
-
HK$4,752 HKD
ZAR 9,785 ZAR
View
A
Retailer 10
-
HK$4,824 HKD
£484 GBP
View
A
Retailer 11
-
HK$5,469 HKD
$697 USD
View
A
Retailer 12
-
HK$5,477 HKD
$698 USD
View
A
Retailer 13
-
HK$6,411 HKD
A$1,257 AUD
View
A
Retailer 14
-
HK$7,195 HKD
$917 USD
View
Retailer 15
-
HK$8,527 HKD
A$1,672 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
HK$8,849 HKD
SGD 1,524 SGD
View
B+
Retailer 17
-
HK$8,858 HKD
$1,129 USD
View
B+
Retailer 18
-
HK$9,256 HKD
$1,180 USD
View
B+
Retailer 19
-
HK$9,690 HKD
$1,235 USD
View
B+
Retailer 20
-
HK$10,600 HKD
$1,351 USD
View
B+
Retailer 21
-
HK$11,041 HKD
£1,108 GBP
View
Most Expensive
B
With Clarity
825654747 · Nov 1
HK$11,612 HKD
$1,480 USD
View
21 more retailers have this diamond
Prices start from HK$2,220 HKDSave up to HK$9,392 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
1.78ct Marquise
HK$2,220 HKD