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Marquise|Lab Grown|IGI

3.00ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG833644246

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833644246

Diamond specifications and retailer prices

From $2,360 AUD
$1,658 USD
As of October 30, 2026
Save $7,250 AUD (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,599 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833644246 or 833644246. Listed at 22 retailers as of October 30, 2026, with a 307% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833644246
Dimensions16.43 × 7.46 × 4.32 mm
L/W Ratio2.20
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.43 mm7.46 mm3.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833644246
Side View
Table 66.0%Crown 35.3°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 57.9%

Caratlytics Score

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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: Oct 30
Current: $13,599 AUD|Low: $2,360 AUD|High: $13,599 AUD|Avg: $5,324 AUD
Novita Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 20$2,360 AUD
Retailer 18$2,568 AUD
Retailer 7$2,642 AUD
Retailer 11$2,738 AUD
Retailer 21$2,982 AUD
Retailer 2$3,023 AUD
Retailer 14$3,029 AUD
Retailer 6$3,122 AUD
Retailer 13$3,880 AUD
Retailer 4$3,915 AUD
Retailer 16$4,327 AUD
Retailer 5$4,435 AUD
Retailer 9$4,721 AUD
Retailer 17$5,132 AUD
Retailer 10$5,663 AUD
Retailer 15$6,358 AUD
Retailer 12$6,785 AUD
Retailer 19$7,379 AUD
Retailer 3$7,830 AUD
Retailer 8$9,611 AUD
Novita Diamonds$13,599 AUD

25 data points across 21 retailers

22 retailers$2,360 AUD to $9,611 AUD

A
Cheapest Retailer
-
$2,360 AUD
$1,658 USD
A
Retailer 2
-
$2,568 AUD
$1,804 USD
View
A
Retailer 3
-
$2,642 AUD
$1,856 USD
View
Final sale: no returns
A
Retailer 4
-
$2,738 AUD
$1,923 USD
View
A
Retailer 5
-
$2,982 AUD
$2,095 USD
View
A
Retailer 6
-
$3,023 AUD
£1,672 GBP
View
Retailer 7
-
$3,029 AUD
$2,128 USD
View
Price last confirmed 18 days ago
A
Retailer 8
-
$3,122 AUD
$2,193 USD
View
A
Retailer 9
-
$3,880 AUD
£2,146 GBP
View
A
Retailer 10
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$3,915 AUD
$2,750 USD
View
A
Retailer 11
-
$4,327 AUD
€2,895 EUR
View
A
Retailer 12
-
$4,435 AUD
$3,115 USD
View
A
Retailer 13
-
$4,721 AUD
$3,316 USD
View
A
Retailer 14
-
$5,132 AUD
$3,605 USD
View
A
Retailer 15
-
$5,663 AUD
£3,132 GBP
View
A
Retailer 16
-
$6,358 AUD
ZAR 72,149 ZAR
View
Retailer 17
-
$6,785 AUD
View
Price last confirmed 8 days ago
A
Retailer 18
-
$7,379 AUD
$5,183 USD
View
A
Retailer 19
-
$7,830 AUD
£4,331 GBP
View
Retailer 20
-
$8,962 AUD
$6,295 USD
View
Price last confirmed 33 days ago
B+
Retailer 21
-
$9,611 AUD
$6,751 USD
View
Most Expensive
Novita Diamonds
cert_833644246 · Oct 8
$13,599 AUD
View
Price last confirmed 22 days ago
21 more retailers have this diamond
Prices start from $2,360 AUDSave up to $7,250 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
3.00ct Marquise
$2,360 AUD