CaratHunter
Plans
Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG847640520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847640520

Diamond specifications and retailer prices

From HK$2,095 HKD
$267 USD
As of November 2, 2026
Save HK$9,125 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$11,220 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 LG847640520 or 847640520. Listed at 12 retailers as of November 1, 2026, with prices from HK$2,095 to HK$11,220, a HK$9,125 spread on the same certified stone. With Clarity lists it at HK$11,220. 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 angle36°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847640520
Dimensions12.53 × 6.32 × 3.95 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.53 mm6.32 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847640520
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.5%

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$3,038 HKD|Low: HK$2,095 HKD|High: HK$11,220 HKD|Avg: HK$6,404 HKD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 2, 2026
Retailer 11HK$2,095 HKD
Retailer 9HK$2,432 HKD
Retailer 1HK$3,038 HKD
Retailer 5HK$3,845 HKD
Retailer 2HK$4,276 HKD
Retailer 3HK$5,328 HKD
Retailer 10HK$6,043 HKD
Retailer 4HK$7,987 HKD
Retailer 7HK$8,356 HKD
Retailer 8HK$9,533 HKD
Retailer 6HK$10,473 HKD
With ClarityHK$11,220 HKD

10 data points across 12 retailers

12 retailersHK$2,095 HKD to HK$11,220 HKD

A
Cheapest Retailer
-
HK$2,095 HKD
$267 USD
A
Retailer 2
-
HK$2,432 HKD
$310 USD
View
A
Retailer 3
-
HK$3,038 HKD
£305 GBP
View
A
Retailer 4
-
HK$3,845 HKD
$490 USD
View
Retailer 5
-
HK$4,276 HKD
€519 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$5,328 HKD
$679 USD
View
A
Retailer 7
-
HK$6,043 HKD
A$1,185 AUD
View
B+
Retailer 8
-
HK$7,987 HKD
$1,018 USD
View
B+
Retailer 9
-
HK$8,356 HKD
$1,065 USD
View
B
Retailer 10
-
HK$9,533 HKD
$1,215 USD
View
B
Retailer 11
-
HK$10,473 HKD
£1,051 GBP
View
Most Expensive
B
With Clarity
847640520 · Nov 1
HK$11,220 HKD
$1,430 USD
View
11 more retailers have this diamond
Prices start from HK$2,095 HKDSave up to HK$9,125 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$2,095 HKD