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Marquise|Lab Grown|IGI

3.00ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839608343

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839608343

Diamond specifications and retailer prices

From $4,609 AUD
As of November 2, 2026
Save $26,935 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $31,545 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3ct lab-grown marquise diamond

This 3ct 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 LG839608343 or 839608343. Listed at 19 retailers as of November 2, 2026, with prices from $4,609 to $31,545, a $26,935 spread on the same certified stone. Do Amore Diamonds lists it at $31,545. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608343
Dimensions14.15 × 7.49 × 4.82 mm
L/W Ratio1.89
Girdle conditionFaceted
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
14.15 mm7.49 mm3.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608343
Side View
Table 57.0%Crown 34.4°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 64.4%

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: Nov 2
Current: $31,545 AUD|Low: $4,609 AUD|High: $60,114 AUD|Avg: $12,362 AUD|-3.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 12
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Retailer 20
November 4, 2026
Retailer 6$4,609 AUD
Retailer 15$4,721 AUD
Retailer 2$4,987 AUD
Retailer 5$5,069 AUD
Retailer 13$5,541 AUD
Retailer 14$6,972 AUD
Retailer 7$7,376 AUD
Retailer 16$7,485 AUD
Retailer 10$8,155 AUD
Retailer 20$8,301 AUD
Retailer 8$9,761 AUD
Retailer 9$10,754 AUD
Retailer 17$12,506 AUD
Retailer 19$12,571 AUD
Retailer 3$13,450 AUD
Retailer 18$14,545 AUD
Retailer 12$16,209 AUD
Retailer 4$22,502 AUD
Do Amore Diamonds$31,545 AUD
Retailer 11$33,496 AUD

32 data points across 20 retailers

19 retailers$4,609 AUD to $31,545 AUD

A
Cheapest Retailer
-
$4,609 AUD
A
Retailer 2
-
$4,721 AUD
View
A
Retailer 3
-
$4,987 AUD
View
A
Retailer 4
-
$5,069 AUD
View
A
Retailer 5
-
$5,541 AUD
View
A
Retailer 6
-
$6,972 AUD
View
A
Retailer 7
-
$7,376 AUD
View
A
Retailer 8
-
$7,485 AUD
View
B+
Retailer 9
-
$8,155 AUD
View
A
Retailer 10
-
$8,301 AUD
View
Retailer 11
-
$9,761 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$10,754 AUD
View
B+
Retailer 13
-
$12,506 AUD
View
B+
Retailer 14
-
$12,571 AUD
View
B+
Retailer 15
-
$13,450 AUD
View
B+
Retailer 16
-
$14,545 AUD
View
Retailer 17
-
$16,209 AUD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$22,502 AUD
View
Most Expensive
B
Do Amore Diamonds
27-ED5DFB697 · Nov 4
$31,545 AUD
$22,030 USD
View
18 more retailers have this diamond
Prices start from $4,609 AUDSave up to $26,935 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
$4,609 AUD