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Marquise|Lab Grown|IGI

3.68ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG821656000

Certificate IGI LG821656000

Diamond specifications and retailer prices

From $6,691 AUD
$4,700 USD
As of October 30, 2026
Save $4,328 AUD (39%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $11,019 AUD at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 3.68ct lab-grown marquise diamond

This 3.68ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821656000 or 821656000. Listed at 4 retailers as of October 30, 2026, with prices from $6,691 to $11,019, a $4,328 spread on the same certified stone. Kay Jewelers lists it at $11,019. 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

3.68
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG821656000
Dimensions17.33 × 7.85 × 4.93 mm
L/W Ratio2.21
Top View
17.33 mm7.85 mm3.68 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821656000
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $11,019 AUD|Low: $6,691 AUD|High: $11,019 AUD|Avg: $9,648 AUD
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 2$6,691 AUD
Retailer 4$7,702 AUD
Kay Jewelers$11,019 AUD
Retailer 3$11,019 AUD

3 data points across 4 retailers

4 retailers$6,691 AUD to $11,019 AUD

B+
Cheapest Retailer
-
$6,691 AUD
$4,700 USD
B
Retailer 2
-
$7,702 AUD
$5,410 USD
View
B
Retailer 3
-
$11,019 AUD
$7,740 USD
View
Most Expensive
B
Kay Jewelers
259912014 · Oct 30
$11,019 AUD
$7,740 USD
View
3 more retailers have this diamond
Prices start from $6,691 AUDSave up to $4,328 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.

B+
3.68ct Marquise
$6,691 AUD