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Marquise|Lab Grown|IGI

1.78ct F VVS1 Marquise Lab Grown Diamond

VG • F/VVS1 • IGI LG788646744

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788646744

Diamond specifications and retailer prices

From HK$2,519 HKD
$321 USD
As of November 1, 2026
Save HK$12,860 HKD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$15,378 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG788646744 or 788646744. Listed at 19 retailers as of November 1, 2026, with prices from HK$2,519 to HK$15,378, a HK$12,860 spread on the same certified stone. Brilliant Earth lists it at HK$15,378. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.78
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788646744
Dimensions13.26 × 6.34 × 3.69 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.26 mm6.34 mm1.78 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788646744
Side View
Table 61.0%Crown 33.1°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 58.2%

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 1
Current: HK$15,378 HKD|Low: HK$2,519 HKD|High: HK$16,948 HKD|Avg: HK$7,770 HKD|-9.3%
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
Retailer 17
Retailer 18
November 3, 2026
Retailer 7HK$2,519 HKD
Retailer 3HK$2,605 HKD
Retailer 4HK$3,766 HKD
Retailer 11HK$4,002 HKD
Retailer 18HK$4,797 HKD
Retailer 2HK$4,916 HKD
Retailer 8HK$5,157 HKD
Retailer 5HK$5,508 HKD
Retailer 9HK$6,564 HKD
Retailer 16HK$6,567 HKD
Retailer 15HK$8,544 HKD
Retailer 17HK$8,941 HKD
Retailer 6HK$9,371 HKD
Retailer 14HK$10,749 HKD
Retailer 13HK$11,150 HKD
Retailer 12HK$11,620 HKD
Retailer 10HK$14,005 HKD
Brilliant EarthHK$15,378 HKD

19 data points across 18 retailers

19 retailersHK$2,519 HKD to HK$15,378 HKD

A
Cheapest Retailer
-
HK$2,519 HKD
$321 USD
Final sale: no returns
A
Retailer 2
-
HK$2,605 HKD
$332 USD
View
B+
Retailer 3
-
HK$3,766 HKD
$480 USD
View
A
Retailer 4
-
HK$4,002 HKD
$510 USD
View
A
Retailer 5
-
HK$4,797 HKD
ZAR 9,878 ZAR
View
A
Retailer 6
-
HK$4,916 HKD
£493 GBP
View
A
Retailer 7
-
HK$5,157 HKD
€626 EUR
View
A
Retailer 8
-
HK$5,508 HKD
$702 USD
View
B+
Retailer 9
-
HK$6,564 HKD
A$1,287 AUD
View
A
Retailer 10
-
HK$6,567 HKD
$837 USD
View
B
Retailer 11
-
HK$8,544 HKD
$1,089 USD
View
B+
Retailer 12
-
HK$8,941 HKD
SGD 1,540 SGD
View
B+
Retailer 13
-
HK$9,371 HKD
$1,194 USD
View
B
Retailer 14
-
HK$10,749 HKD
$1,370 USD
View
B
Retailer 15
-
HK$11,150 HKD
£1,119 GBP
View
B
Retailer 16
-
HK$11,620 HKD
$1,481 USD
View
Retailer 17
-
HK$11,669 HKD
A$2,288 AUD
View
Price last confirmed 29 days ago
B
Retailer 18
-
HK$14,005 HKD
$1,785 USD
View
Most Expensive
B
Brilliant Earth
18729050A · Nov 2
HK$15,378 HKD
$1,960 USD
View
18 more retailers have this diamond
Prices start from HK$2,519 HKDSave up to HK$12,860 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$2,519 HKD