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Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG715569166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG715569166

Diamond specifications and retailer prices

From HK$6,810 HKD
$868 USD
As of November 1, 2026
Save HK$13,903 HKD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$20,714 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.51ct lab-grown marquise diamond

This 3.51ct 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 LG715569166 or 715569166. Listed at 8 retailers as of October 28, 2026, with prices from HK$6,810 to HK$20,714, a HK$13,903 spread on the same certified stone. Rare Carat lists it at HK$20,714. 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

3.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715569166
Dimensions15.30 × 7.97 × 5.01 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.30 mm7.97 mm3.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715569166
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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$7,119 HKD|Low: HK$5,900 HKD|High: HK$31,463 HKD|Avg: HK$13,978 HKD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8HK$6,810 HKD
Retailer 1HK$7,119 HKD
Retailer 2HK$7,307 HKD
Retailer 6HK$9,431 HKD
Retailer 11HK$9,694 HKD
Retailer 4HK$12,855 HKD
Retailer 7HK$14,210 HKD
Retailer 9HK$15,300 HKD
Retailer 5HK$15,943 HKD
Retailer 10HK$17,544 HKD
Retailer 3HK$20,611 HKD
Retailer 12HK$31,463 HKD

36 data points across 12 retailers

8 retailersHK$6,810 HKD to HK$20,714 HKD

B+
Cheapest Retailer
-
HK$6,810 HKD
$868 USD
A
Retailer 2
-
HK$7,119 HKD
£714 GBP
View
A
Retailer 3
-
HK$9,431 HKD
$1,202 USD
View
Retailer 4
-
HK$12,855 HKD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
HK$14,210 HKD
$1,811 USD
View
B+
Retailer 6
-
HK$15,943 HKD
£1,600 GBP
View
B
Retailer 7
-
HK$17,544 HKD
$2,236 USD
View
Most Expensive
Rare Carat
673948_l_715569166 · Oct 28
HK$20,714 HKD
$2,640 USD
View
7 more retailers have this diamond
Prices start from HK$6,810 HKDSave up to HK$13,903 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
3.51ct Marquise
HK$6,810 HKD