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Marquise|Lab Grown|IGI

3.28ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG816680484

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816680484

Diamond specifications and retailer prices

From $643 AUD
$452 USD
As of November 1, 2026
Save $3,717 AUD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,361 AUD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.28ct lab-grown marquise diamond

This 3.28ct 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 LG816680484 or 816680484. Listed at 5 retailers as of October 31, 2026, with prices from $643 to $4,361, a $3,717 spread on the same certified stone. Frank Darling lists it at $4,361. 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

3.28
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816680484
Dimensions15.45 × 7.73 × 4.85 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.45 mm7.73 mm3.28 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816680484
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 62.7%

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: $4,361 AUD|Low: $643 AUD|High: $4,361 AUD|Avg: $1,996 AUD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3$643 AUD
Retailer 4$913 AUD
Retailer 6$1,169 AUD
Retailer 2$2,353 AUD
Retailer 5$3,274 AUD
Frank Darling$4,361 AUD

18 data points across 6 retailers

5 retailers$643 AUD to $4,361 AUD

A
Cheapest Retailer
-
$643 AUD
$452 USD
Final sale: no returns
B+
Retailer 2
-
$913 AUD
$641 USD
View
B+
Retailer 3
-
$2,353 AUD
$1,653 USD
View
B
Retailer 4
-
$3,274 AUD
$2,300 USD
View
Most Expensive
B
Frank Darling
100766821955KD · Oct 31
$4,361 AUD
$3,063 USD
View
4 more retailers have this diamond
Prices start from $643 AUDSave up to $3,717 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
3.28ct Marquise
$643 AUD