CaratHunter
Plans
Marquise|Lab Grown|IGI

3.51ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG830677496

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830677496

Diamond specifications and retailer prices

From HK$4,386 HKD
$559 USD
As of October 28, 2026
Save HK$18,132 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$22,518 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830677496 or 830677496. Listed at 18 retailers as of October 28, 2026, with prices from HK$4,386 to HK$22,518, a HK$18,132 spread on the same certified stone. Rare Carat lists it at HK$22,518. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830677496
Dimensions14.64 × 7.84 × 5.03 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.64 mm7.84 mm3.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830677496
Side View
Table 63.0%Crown 35.6°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 64.2%

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: Oct 28
Current: HK$22,518 HKD|Low: HK$3,766 HKD|High: HK$22,597 HKD|Avg: HK$10,334 HKD|-0.3%
Rare Carat
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
Retailer 18
Retailer 19
October 29, 2026
Retailer 18HK$3,923 HKD
Retailer 9HK$4,386 HKD
Retailer 17HK$4,386 HKD
Retailer 4HK$4,857 HKD
Retailer 14HK$4,857 HKD
Retailer 2HK$5,169 HKD
Retailer 5HK$6,238 HKD
Retailer 13HK$6,238 HKD
Retailer 10HK$7,305 HKD
Retailer 12HK$8,051 HKD
Retailer 6HK$10,271 HKD
Retailer 3HK$10,494 HKD
Retailer 19HK$12,538 HKD
Retailer 15HK$12,781 HKD
Retailer 11HK$15,830 HKD
Retailer 7HK$16,865 HKD
Retailer 8HK$18,187 HKD
Retailer 16HK$20,318 HKD
Rare CaratHK$22,518 HKD

34 data points across 19 retailers

18 retailersHK$4,386 HKD to HK$22,518 HKD

Retailer 1
-
HK$3,923 HKD
$500 USD
Price last confirmed 7 days ago
A
Retailer 2
-
HK$4,386 HKD
$559 USD
View
Retailer 3
-
HK$4,857 HKD
$619 USD
View
Price last confirmed 23 days ago
Retailer 4
-
HK$4,857 HKD
$619 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$5,169 HKD
£519 GBP
View
B+
Retailer 6
-
HK$6,238 HKD
$795 USD
View
Retailer 7
-
HK$6,238 HKD
$795 USD
View
Price last confirmed 6 days ago
A
Retailer 8
-
HK$7,305 HKD
$931 USD
View
A
Retailer 9
-
HK$8,051 HKD
£808 GBP
View
A
Retailer 10
-
HK$10,271 HKD
$1,309 USD
View
Retailer 11
-
HK$10,494 HKD
ZAR 21,608 ZAR
View
Price last confirmed 20 days ago
Retailer 12
-
HK$12,538 HKD
$1,598 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
HK$12,781 HKD
$1,629 USD
View
B
Retailer 14
-
HK$15,830 HKD
$2,018 USD
View
B+
Retailer 15
-
HK$16,865 HKD
$2,149 USD
View
B+
Retailer 16
-
HK$18,187 HKD
$2,318 USD
View
Retailer 17
-
HK$20,318 HKD
£2,039 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Rare Carat
546/20A_l_830677496 · Oct 28
HK$22,518 HKD
$2,870 USD
View
17 more retailers have this diamond
Prices start from HK$4,386 HKDSave up to HK$18,132 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$4,386 HKD