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Marquise|Lab Grown|IGI

3.14ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754594327

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594327

Diamond specifications and retailer prices

From $4,785 AUD
$3,361 USD
As of October 30, 2026
Save $28,129 AUD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $32,914 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.14ct lab-grown marquise diamond

This 3.14ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594327 or 754594327. Listed at 18 retailers as of October 30, 2026, with prices from $4,785 to $32,914, a $28,129 spread on the same certified stone. Do Amore Diamonds lists it at $32,914. 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

3.14
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594327
Dimensions14.33 × 7.54 × 4.89 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
14.33 mm7.54 mm3.14 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594327
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.9%

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: $32,914 AUD|Low: $4,785 AUD|High: $34,722 AUD|Avg: $11,605 AUD|-5.2%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
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Retailer 19
November 1, 2026
Retailer 3$4,785 AUD
Retailer 4$4,940 AUD
Retailer 2$5,205 AUD
Retailer 18$5,253 AUD
Retailer 5$5,773 AUD
Retailer 11$6,734 AUD
Retailer 15$7,289 AUD
Retailer 7$7,655 AUD
Retailer 17$7,655 AUD
Retailer 13$8,610 AUD
Retailer 8$10,214 AUD
Retailer 9$10,456 AUD
Retailer 12$13,120 AUD
Retailer 19$13,951 AUD
Retailer 14$13,991 AUD
Retailer 10$14,761 AUD
Retailer 6$15,202 AUD
Retailer 16$23,421 AUD
Do Amore Diamonds$32,914 AUD

32 data points across 19 retailers

18 retailers$4,785 AUD to $32,914 AUD

A
Cheapest Retailer
-
$4,785 AUD
$3,361 USD
A
Retailer 2
-
$4,940 AUD
$3,470 USD
View
A
Retailer 3
-
$5,205 AUD
$3,656 USD
View
A
Retailer 4
-
$5,253 AUD
$3,690 USD
View
A
Retailer 5
-
$5,773 AUD
$4,055 USD
View
Retailer 6
-
$6,734 AUD
$4,730 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$7,289 AUD
£4,032 GBP
View
A
Retailer 8
-
$7,655 AUD
$5,377 USD
View
A
Retailer 9
-
$7,655 AUD
$5,377 USD
View
B+
Retailer 10
-
$8,610 AUD
$6,048 USD
View
B+
Retailer 11
-
$10,214 AUD
$7,175 USD
View
B+
Retailer 12
-
$10,456 AUD
€6,995 EUR
View
B+
Retailer 13
-
$13,120 AUD
£7,257 GBP
View
B+
Retailer 14
-
$13,951 AUD
$9,800 USD
View
B+
Retailer 15
-
$13,991 AUD
View
B+
Retailer 16
-
$15,202 AUD
$10,679 USD
View
B
Retailer 17
-
$23,421 AUD
View
Most Expensive
B
Do Amore Diamonds
27-31E039256 · Oct 31
$32,914 AUD
$23,120 USD
View
17 more retailers have this diamond
Prices start from $4,785 AUDSave up to $28,129 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
3.14ct Marquise
$4,785 AUD