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Marquise|Lab Grown|IGI

3.09ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG843628218

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843628218

Diamond specifications and retailer prices

From $1,935 AUD
$1,356 USD
As of October 31, 2026
Save $11,002 AUD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,937 AUD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843628218 or 843628218. Listed at 17 retailers as of October 31, 2026, with prices from $1,935 to $12,937, a $11,002 spread on the same certified stone. Novita Diamonds lists it at $12,937. 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

3.09
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843628218
Dimensions15.57 × 7.51 × 4.69 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.57 mm7.51 mm3.09 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843628218
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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 31
Current: $12,937 AUD|Low: $1,935 AUD|High: $13,570 AUD|Avg: $5,115 AUD
Novita Diamonds
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
November 2, 2026
Retailer 15$1,935 AUD
Retailer 10$2,044 AUD
Retailer 4$2,105 AUD
Retailer 9$2,657 AUD
Retailer 11$2,693 AUD
Retailer 5$3,016 AUD
Retailer 2$3,513 AUD
Retailer 13$4,195 AUD
Retailer 17$4,313 AUD
Retailer 6$4,459 AUD
Retailer 16$5,132 AUD
Retailer 3$5,134 AUD
Retailer 12$5,967 AUD
Retailer 7$6,498 AUD
Retailer 8$6,722 AUD
Retailer 14$9,489 AUD
Novita Diamonds$12,937 AUD

13 data points across 17 retailers

17 retailers$1,935 AUD to $12,937 AUD

A
Cheapest Retailer
-
$1,935 AUD
$1,356 USD
Final sale: no returns
A
Retailer 2
-
$2,044 AUD
£1,128 GBP
View
A
Retailer 3
-
$2,105 AUD
$1,475 USD
View
A
Retailer 4
-
$2,657 AUD
$1,862 USD
View
A
Retailer 5
-
$2,693 AUD
£1,486 GBP
View
Retailer 6
-
$3,016 AUD
€2,013 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,513 AUD
$2,462 USD
View
B+
Retailer 8
-
$4,195 AUD
View
B+
Retailer 9
-
$4,313 AUD
ZAR 48,834 ZAR
View
B+
Retailer 10
-
$4,459 AUD
$3,125 USD
View
B+
Retailer 11
-
$5,132 AUD
£2,832 GBP
View
B+
Retailer 12
-
$5,134 AUD
$3,598 USD
View
B+
Retailer 13
-
$5,967 AUD
£3,293 GBP
View
B+
Retailer 14
-
$6,498 AUD
$4,554 USD
View
B+
Retailer 15
-
$6,722 AUD
$4,711 USD
View
B
Retailer 16
-
$9,489 AUD
$6,650 USD
View
Most Expensive
B
Novita Diamonds
cert_843628218 · Oct 31
$12,937 AUD
View
16 more retailers have this diamond
Prices start from $1,935 AUDSave up to $11,002 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
3.09ct Marquise
$1,935 AUD