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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG762573614

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762573614

Diamond specifications and retailer prices

From HK$2,244 HKD
$286 USD
As of November 2, 2026
Save HK$10,153 HKD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$12,397 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG762573614 or 762573614. Listed at 22 retailers as of November 2, 2026, with prices from HK$2,244 to HK$12,397, a HK$10,153 spread on the same certified stone. Brilliant Earth lists it at HK$12,397. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762573614
Dimensions12.87 × 6.36 × 3.84 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.87 mm6.36 mm1.78 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762573614
Side View
Table 59.0%Crown 32.2°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 60.4%

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$12,397 HKD|Low: HK$2,158 HKD|High: HK$13,103 HKD|Avg: HK$6,188 HKD|-5.4%
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
November 2, 2026
Retailer 17HK$2,244 HKD
Retailer 7HK$2,605 HKD
Retailer 3HK$2,785 HKD
Retailer 8HK$2,785 HKD
Retailer 4HK$3,269 HKD
Retailer 15HK$4,002 HKD
Retailer 10HK$4,797 HKD
Retailer 2HK$4,875 HKD
Retailer 16HK$4,951 HKD
Retailer 13HK$5,090 HKD
Retailer 14HK$6,472 HKD
Retailer 11HK$8,471 HKD
Retailer 6HK$8,544 HKD
Retailer 5HK$8,945 HKD
Retailer 9HK$10,702 HKD
Retailer 12HK$11,210 HKD
Brilliant EarthHK$12,397 HKD

35 data points across 17 retailers

22 retailersHK$2,244 HKD to HK$12,397 HKD

A
Cheapest Retailer
-
HK$2,244 HKD
$286 USD
A
Retailer 2
-
HK$2,605 HKD
$332 USD
View
Retailer 3
-
HK$2,785 HKD
$355 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$2,785 HKD
$355 USD
View
B+
Retailer 5
-
HK$3,750 HKD
$478 USD
View
A
Retailer 6
-
HK$4,002 HKD
$510 USD
View
A
Retailer 7
-
HK$4,797 HKD
ZAR 9,878 ZAR
View
A
Retailer 8
-
HK$4,875 HKD
£489 GBP
View
Retailer 9
-
HK$4,951 HKD
€601 EUR
View
Price last confirmed 8 days ago
A
Retailer 10
-
HK$5,090 HKD
A$998 AUD
View
A
Retailer 11
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HK$5,477 HKD
$698 USD
View
A
Retailer 12
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HK$5,500 HKD
$701 USD
View
A
Retailer 13
-
HK$6,472 HKD
A$1,269 AUD
View
B+
Retailer 14
-
HK$8,471 HKD
A$1,661 AUD
View
B+
Retailer 15
-
HK$8,544 HKD
$1,089 USD
View
B+
Retailer 16
-
HK$8,945 HKD
$1,140 USD
View
B+
Retailer 17
-
HK$9,330 HKD
$1,189 USD
View
B
Retailer 18
-
HK$9,847 HKD
$1,255 USD
View
B
Retailer 19
-
HK$10,702 HKD
$1,364 USD
View
B+
Retailer 20
-
HK$11,210 HKD
£1,125 GBP
View
B
Retailer 21
-
HK$11,620 HKD
$1,481 USD
View
Most Expensive
B
Brilliant Earth
20624835A · Nov 2
HK$12,397 HKD
$1,580 USD
View
21 more retailers have this diamond
Prices start from HK$2,244 HKDSave up to HK$10,153 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$2,244 HKD