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Marquise|Lab Grown|IGI

3.68ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG812641511

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812641511

Diamond specifications and retailer prices

From $812 AUD
$569 USD
As of October 28, 2026
Save $7,521 AUD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,333 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.68ct lab-grown marquise diamond

This 3.68ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812641511 or 812641511. Listed at 16 retailers as of October 28, 2026, with prices from $812 to $8,333, a $7,521 spread on the same certified stone. Brilliant Earth lists it at $8,333. 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
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812641511
Dimensions16.50 × 7.95 × 4.99 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.50 mm7.95 mm3.68 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812641511
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $8,333 AUD|Low: $1,077 AUD|High: $8,647 AUD|Avg: $3,310 AUD|-3.6%
Brilliant Earth
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
October 31, 2026
Retailer 7$1,077 AUD
Retailer 14$1,166 AUD
Retailer 5$1,190 AUD
Retailer 8$1,192 AUD
Retailer 6$1,420 AUD
Retailer 10$1,443 AUD
Retailer 13$1,594 AUD
Retailer 4$2,218 AUD
Retailer 11$2,322 AUD
Retailer 2$3,612 AUD
Retailer 9$4,335 AUD
Retailer 3$4,770 AUD
Retailer 12$6,450 AUD
Brilliant Earth$8,333 AUD

15 data points across 14 retailers

16 retailers$812 AUD to $8,333 AUD

Retailer 1
-
$812 AUD
$569 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$812 AUD
$569 USD
View
A
Retailer 3
-
$1,077 AUD
$755 USD
View
A
Retailer 4
-
$1,166 AUD
$817 USD
View
B+
Retailer 5
-
$1,190 AUD
$834 USD
View
A
Retailer 6
-
$1,192 AUD
£658 GBP
View
A
Retailer 7
-
$1,443 AUD
€963 EUR
View
A
Retailer 8
-
$1,594 AUD
$1,117 USD
View
Retailer 9
-
$2,218 AUD
$1,554 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$2,322 AUD
$1,627 USD
View
Retailer 11
-
$2,611 AUD
$1,830 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$3,612 AUD
View
B
Retailer 13
-
$4,335 AUD
£2,392 GBP
View
B
Retailer 14
-
$4,770 AUD
$3,343 USD
View
B
Retailer 15
-
$6,450 AUD
$4,520 USD
View
Most Expensive
B
Brilliant Earth
22267696A · Oct 30
$8,333 AUD
$5,840 USD
View
15 more retailers have this diamond
Prices start from $812 AUDSave up to $7,521 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
3.68ct Marquise
$812 AUD