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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG803611087

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803611087

Diamond specifications and retailer prices

From HK$2,487 HKD
$317 USD
As of November 2, 2026
Save HK$19,639 HKD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$22,126 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG803611087 or 803611087. Listed at 21 retailers as of November 2, 2026, with prices from HK$2,487 to HK$22,126, a HK$19,639 spread on the same certified stone. Do Amore Diamonds lists it at HK$22,126. 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 angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803611087
Dimensions12.20 × 6.36 × 3.98 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
12.20 mm6.36 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803611087
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

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$22,126 HKD|Low: HK$2,487 HKD|High: HK$22,126 HKD|Avg: HK$7,910 HKD
Do Amore Diamonds
Retailer 2
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Retailer 25
November 2, 2026
Retailer 24HK$2,487 HKD
Retailer 6HK$2,887 HKD
Retailer 9HK$3,855 HKD
Retailer 2HK$3,985 HKD
Retailer 16HK$4,006 HKD
Retailer 7HK$4,096 HKD
Retailer 10HK$4,127 HKD
Retailer 3HK$4,315 HKD
Retailer 8HK$4,386 HKD
Retailer 15HK$4,767 HKD
Retailer 5HK$5,273 HKD
Retailer 14HK$7,374 HKD
Retailer 22HK$7,915 HKD
Retailer 18HK$8,206 HKD
Retailer 21HK$8,864 HKD
Retailer 25HK$9,062 HKD
Retailer 23HK$9,611 HKD
Retailer 11HK$10,139 HKD
Retailer 17HK$10,427 HKD
Retailer 4HK$10,961 HKD
Retailer 13HK$12,461 HKD
Retailer 19HK$13,323 HKD
Retailer 12HK$13,409 HKD
Retailer 20HK$18,595 HKD
Do Amore DiamondsHK$22,126 HKD

17 data points across 25 retailers

21 retailersHK$2,487 HKD to HK$22,126 HKD

A
Cheapest Retailer
-
HK$2,487 HKD
$317 USD
A
Retailer 2
-
HK$2,887 HKD
$368 USD
View
A
Retailer 3
-
HK$3,855 HKD
$491 USD
View
A
Retailer 4
-
HK$3,985 HKD
£400 GBP
View
A
Retailer 5
-
HK$4,096 HKD
$522 USD
View
B+
Retailer 6
-
HK$4,127 HKD
$526 USD
View
A
Retailer 7
-
HK$4,315 HKD
$550 USD
View
A
Retailer 8
-
HK$4,386 HKD
$559 USD
View
A
Retailer 9
-
HK$5,273 HKD
€640 EUR
View
Retailer 10
-
HK$7,374 HKD
$940 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
HK$7,915 HKD
A$1,552 AUD
View
B+
Retailer 12
-
HK$8,864 HKD
A$1,738 AUD
View
B+
Retailer 13
-
HK$9,062 HKD
$1,155 USD
View
B+
Retailer 14
-
HK$9,611 HKD
$1,225 USD
View
B+
Retailer 15
-
HK$10,139 HKD
CA$1,795 CAD
View
B
Retailer 16
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HK$10,961 HKD
$1,397 USD
View
B
Retailer 17
-
HK$12,461 HKD
$1,588 USD
View
B
Retailer 18
-
HK$13,323 HKD
£1,337 GBP
View
B
Retailer 19
-
HK$13,409 HKD
$1,709 USD
View
B
Retailer 20
-
HK$18,595 HKD
$2,370 USD
View
Most Expensive
B
Do Amore Diamonds
27-B1329BF40 · Nov 2
HK$22,126 HKD
$2,820 USD
View
20 more retailers have this diamond
Prices start from HK$2,487 HKDSave up to HK$19,639 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$2,487 HKD