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Marquise|Lab Grown|IGI

3.13ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG780665992

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780665992

Diamond specifications and retailer prices

From $4,856 AUD
$3,411 USD
As of October 30, 2026
Save $28,556 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $33,412 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.13ct lab-grown marquise diamond

This 3.13ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665992 or 780665992. Listed at 15 retailers as of October 30, 2026, with prices from $4,856 to $33,412, a $28,556 spread on the same certified stone. Do Amore Diamonds lists it at $33,412. 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

3.13
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665992
Dimensions14.42 × 7.59 × 4.92 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.42 mm7.59 mm3.13 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665992
Side View
Table 59.0%Crown 35.4°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 64.8%

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: Oct 30
Current: $33,412 AUD|Low: $4,856 AUD|High: $38,722 AUD|Avg: $11,930 AUD|-13.7%
Do Amore 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
October 30, 2026
Retailer 9$4,856 AUD
Retailer 10$5,183 AUD
Retailer 6$5,300 AUD
Retailer 2$5,326 AUD
Retailer 12$5,858 AUD
Retailer 7$6,627 AUD
Retailer 15$7,770 AUD
Retailer 5$7,796 AUD
Retailer 4$8,768 AUD
Retailer 3$10,364 AUD
Retailer 11$10,644 AUD
Retailer 8$12,400 AUD
Retailer 13$13,392 AUD
Retailer 14$15,439 AUD
Do Amore Diamonds$33,412 AUD

32 data points across 15 retailers

15 retailers$4,856 AUD to $33,412 AUD

A
Cheapest Retailer
-
$4,856 AUD
$3,411 USD
A
Retailer 2
-
$5,183 AUD
$3,641 USD
View
A
Retailer 3
-
$5,300 AUD
$3,723 USD
View
A
Retailer 4
-
$5,326 AUD
$3,741 USD
View
A
Retailer 5
-
$5,858 AUD
$4,115 USD
View
A
Retailer 6
-
$6,627 AUD
$4,655 USD
View
Final sale: no returns
A
Retailer 7
-
$7,770 AUD
$5,458 USD
View
A
Retailer 8
-
$7,796 AUD
$5,476 USD
View
A
Retailer 9
-
$8,768 AUD
$6,159 USD
View
B+
Retailer 10
-
$10,364 AUD
$7,280 USD
View
B+
Retailer 11
-
$10,644 AUD
€7,121 EUR
View
B+
Retailer 12
-
$12,400 AUD
$8,710 USD
View
B+
Retailer 13
-
$13,392 AUD
£7,407 GBP
View
B+
Retailer 14
-
$15,439 AUD
$10,845 USD
View
Most Expensive
B
Do Amore Diamonds
27-3C98B91F0 · Oct 30
$33,412 AUD
$23,470 USD
View
14 more retailers have this diamond
Prices start from $4,856 AUDSave up to $28,556 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
3.13ct Marquise
$4,856 AUD