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Marquise|Lab Grown|IGI

3.10ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG776620830

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG776620830

Diamond specifications and retailer prices

From HK$4,802 HKD
$612 USD
As of November 1, 2026
Save HK$17,916 HKD (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$27,658 HKD at Helzberg Diamonds · As of October 6, 2026
View at Helzberg Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 LG776620830 or 776620830. Listed at 6 retailers as of November 1, 2026, with a 373% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776620830
Dimensions15.77 × 7.57 × 4.67 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Top View
15.77 mm7.57 mm3.10 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776620830
Side View
Table 62.0%Crown 35°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$27,658 HKD|Low: HK$4,802 HKD|High: HK$27,658 HKD|Avg: HK$12,785 HKD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6HK$4,802 HKD
Retailer 11HK$5,837 HKD
Retailer 7HK$6,794 HKD
Retailer 3HK$7,470 HKD
Retailer 10HK$8,340 HKD
Retailer 8HK$11,837 HKD
Retailer 2HK$12,263 HKD
Retailer 4HK$17,065 HKD
Retailer 5HK$22,717 HKD
Retailer 9HK$25,578 HKD
Helzberg DiamondsHK$27,658 HKD

24 data points across 11 retailers

6 retailersHK$4,802 HKD to HK$22,717 HKD

B+
Cheapest Retailer
-
HK$4,802 HKD
$612 USD
B+
Retailer 2
-
HK$12,263 HKD
$1,563 USD
View
B+
Retailer 3
-
HK$17,065 HKD
$2,175 USD
View
B
Retailer 4
-
HK$22,717 HKD
$2,895 USD
View
Retailer 5
-
HK$25,578 HKD
$3,260 USD
View
Price last confirmed 32 days ago
Most Expensive
Helzberg Diamonds
ZXZNNMMIGOJG · Oct 6
HK$27,658 HKD
$3,525 USD
View
Price last confirmed 28 days ago
5 more retailers have this diamond
Prices start from HK$4,802 HKDSave up to HK$17,916 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+
3.10ct Marquise
HK$4,802 HKD