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 $798 AUD
$559 USD
As of October 28, 2026
Save $3,298 AUD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,095 AUD 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 $798 to $4,095, a $3,298 spread on the same certified stone. Rare Carat lists it at $4,095. 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: $4,095 AUD|Low: $685 AUD|High: $4,109 AUD|Avg: $1,879 AUD|-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 18$713 AUD
Retailer 9$798 AUD
Retailer 17$798 AUD
Retailer 4$883 AUD
Retailer 14$883 AUD
Retailer 2$940 AUD
Retailer 5$1,134 AUD
Retailer 13$1,134 AUD
Retailer 10$1,328 AUD
Retailer 12$1,464 AUD
Retailer 6$1,868 AUD
Retailer 3$1,909 AUD
Retailer 19$2,280 AUD
Retailer 15$2,324 AUD
Retailer 11$2,879 AUD
Retailer 7$3,067 AUD
Retailer 8$3,308 AUD
Retailer 16$3,695 AUD
Rare Carat$4,095 AUD

34 data points across 19 retailers

18 retailers$798 AUD to $4,095 AUD

A
Retailer 1
-
$713 AUD
$500 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$798 AUD
$559 USD
View
Retailer 3
-
$883 AUD
$619 USD
View
Price last confirmed 23 days ago
Retailer 4
-
$883 AUD
$619 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$940 AUD
£519 GBP
View
B+
Retailer 6
-
$1,134 AUD
$795 USD
View
Retailer 7
-
$1,134 AUD
$795 USD
View
Price last confirmed 6 days ago
A
Retailer 8
-
$1,328 AUD
$931 USD
View
A
Retailer 9
-
$1,464 AUD
£808 GBP
View
A
Retailer 10
-
$1,868 AUD
$1,309 USD
View
Retailer 11
-
$1,909 AUD
ZAR 21,608 ZAR
View
Price last confirmed 20 days ago
Retailer 12
-
$2,280 AUD
$1,598 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$2,324 AUD
$1,629 USD
View
B
Retailer 14
-
$2,879 AUD
$2,018 USD
View
B+
Retailer 15
-
$3,067 AUD
$2,149 USD
View
B+
Retailer 16
-
$3,308 AUD
$2,318 USD
View
Retailer 17
-
$3,695 AUD
£2,039 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Rare Carat
546/20A_l_830677496 · Oct 28
$4,095 AUD
$2,870 USD
View
17 more retailers have this diamond
Prices start from $798 AUDSave up to $3,298 AUD

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
$798 AUD