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Marquise|Lab Grown|IGI

3.51ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG807655772

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807655772

Diamond specifications and retailer prices

From $1,287 AUD
$902 USD
As of November 1, 2026
Save $2,780 AUD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,067 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 LG807655772 or 807655772. Listed at 7 retailers as of October 28, 2026, with prices from $1,287 to $4,067, a $2,780 spread on the same certified stone. Rare Carat lists it at $4,067. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807655772
Dimensions15.60 × 8.15 × 4.90 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.60 mm8.15 mm3.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807655772
Side View
Table 56.0%Crown 31°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.1%

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: $1,351 AUD|Low: $1,257 AUD|High: $3,073 AUD|Avg: $1,927 AUD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6$1,287 AUD
Retailer 1$1,351 AUD
Retailer 3$1,381 AUD
Retailer 5$1,852 AUD
Retailer 4$2,689 AUD
Retailer 2$3,023 AUD

43 data points across 6 retailers

7 retailers$1,287 AUD to $4,067 AUD

B+
Cheapest Retailer
-
$1,287 AUD
$902 USD
A
Retailer 2
-
$1,351 AUD
£745 GBP
View
A
Retailer 3
-
$1,381 AUD
$968 USD
View
A
Retailer 4
-
$1,852 AUD
$1,298 USD
View
B+
Retailer 5
-
$2,689 AUD
$1,885 USD
View
B+
Retailer 6
-
$3,023 AUD
£1,668 GBP
View
Most Expensive
B
Rare Carat
697549_l_807655772 · Oct 28
$4,067 AUD
$2,850 USD
View
6 more retailers have this diamond
Prices start from $1,287 AUDSave up to $2,780 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
$1,287 AUD