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Marquise|Lab Grown|IGI

1.78ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG838632478

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838632478

Diamond specifications and retailer prices

From HK$3,813 HKD
$486 USD
As of November 1, 2026
Save HK$14,624 HKD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$18,437 HKD at Do Amore Diamonds · As of October 31, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG838632478 or 838632478. Listed at 8 retailers as of October 31, 2026, with prices from HK$3,813 to HK$18,437, a HK$14,624 spread on the same certified stone. Do Amore Diamonds lists it at HK$18,437. 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
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838632478
Dimensions12.38 × 6.34 × 3.96 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.38 mm6.34 mm1.78 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838632478
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°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 1
Current: HK$18,437 HKD|Low: HK$3,813 HKD|High: HK$18,437 HKD|Avg: HK$9,071 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5HK$3,813 HKD
Retailer 7HK$4,001 HKD
Retailer 3HK$5,578 HKD
Retailer 4HK$9,336 HKD
Retailer 6HK$11,388 HKD
Retailer 2HK$12,614 HKD
Do Amore DiamondsHK$18,437 HKD

27 data points across 7 retailers

8 retailersHK$3,813 HKD to HK$18,437 HKD

B+
Cheapest Retailer
-
HK$3,813 HKD
$486 USD
A
Retailer 2
-
HK$4,001 HKD
$510 USD
View
A
Retailer 3
-
HK$5,578 HKD
£560 GBP
View
B+
Retailer 4
-
HK$9,336 HKD
$1,190 USD
View
B
Retailer 5
-
HK$9,415 HKD
$1,200 USD
View
B
Retailer 6
-
HK$11,388 HKD
$1,451 USD
View
B
Retailer 7
-
HK$12,614 HKD
£1,266 GBP
View
Most Expensive
B
Do Amore Diamonds
36-2007084 · Oct 31
HK$18,437 HKD
$2,350 USD
View
7 more retailers have this diamond
Prices start from HK$3,813 HKDSave up to HK$14,624 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$3,813 HKD