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Marquise|Lab Grown|IGI

3.50ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG752523278

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752523278

Diamond specifications and retailer prices

From HK$11,879 HKD
CA$2,103 CAD
As of November 2, 2026
Save HK$5,257 HKD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$17,136 HKD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.5ct lab-grown marquise diamond

This 3.5ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG752523278 or 752523278. Listed at 2 retailers as of November 1, 2026, with prices from HK$11,879 to HK$17,136, a HK$5,257 spread on the same certified stone. The Diamond Guys lists it at HK$17,136. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.50
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752523278
Dimensions16.38 × 7.80 × 4.87 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Top View
16.38 mm7.80 mm3.50 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752523278
Side View
Table 63.0%Crown 35°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$9,808 HKD|Low: HK$4,169 HKD|High: HK$28,208 HKD|Avg: HK$10,721 HKD|-21.1%
Retailer 1
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
The Diamond Guys
August 3, 2026
Retailer 6HK$5,231 HKD
Retailer 3HK$5,532 HKD
Retailer 4HK$5,635 HKD
Retailer 8HK$7,427 HKD
Retailer 12HK$7,642 HKD
Retailer 14HK$8,435 HKD
Retailer 11HK$9,753 HKD
Retailer 1HK$9,808 HKD
Retailer 5HK$11,479 HKD
Retailer 9HK$11,879 HKD
Retailer 10HK$14,595 HKD
Retailer 2HK$15,881 HKD
The Diamond GuysHK$17,136 HKD
Retailer 7HK$25,643 HKD
Retailer 13HK$27,069 HKD

57 data points across 15 retailers

2 retailersHK$11,879 HKD to HK$17,136 HKD

B+
Cheapest Retailer
-
HK$11,879 HKD
CA$2,103 CAD
Most Expensive
B
The Diamond Guys
1958037485 · Nov 1
HK$17,136 HKD
$2,184 USD
View
1 more retailer has this diamond
Prices start from HK$11,879 HKDSave up to HK$5,257 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.

B+
3.50ct Marquise
HK$11,879 HKD