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Marquise|Lab Grown|IGI

3.00ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG771629831

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG771629831

Diamond specifications and retailer prices

From $4,334 AUD
As of October 29, 2026
Save $12,218 AUD (74%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $22,780 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG771629831 or 771629831. Listed at 21 retailers as of October 29, 2026, with a 282% 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771629831
Dimensions15.19 × 7.33 × 4.69 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.19 mm7.33 mm3.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771629831
Side View
Table 54.0%Crown 34.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 64.0%

Caratlytics Score

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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 29
Current: $22,780 AUD|Low: $3,603 AUD|High: $23,415 AUD|Avg: $9,103 AUD|-2.3%
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
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Retailer 15
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Retailer 19
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Retailer 21
October 28, 2026
Retailer 15$3,603 AUD
Retailer 5$4,034 AUD
Retailer 4$4,180 AUD
Retailer 19$4,334 AUD
Retailer 18$4,718 AUD
Retailer 14$4,747 AUD
Retailer 16$4,747 AUD
Retailer 2$5,607 AUD
Retailer 6$5,745 AUD
Retailer 17$5,971 AUD
Retailer 21$6,133 AUD
Retailer 3$7,921 AUD
Retailer 11$8,326 AUD
Retailer 8$8,889 AUD
Retailer 13$11,157 AUD
Retailer 7$11,203 AUD
Retailer 10$11,445 AUD
Retailer 9$11,700 AUD
Retailer 20$14,581 AUD
Retailer 12$16,553 AUD
Novita Diamonds$22,780 AUD

37 data points across 21 retailers

21 retailers$4,334 AUD to $16,553 AUD

Retailer 1
-
$3,603 AUD
Price last confirmed 8 days ago
Retailer 2
-
$4,180 AUD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$4,334 AUD
View
Retailer 4
-
$4,718 AUD
View
Price last confirmed 7 days ago
Retailer 5
-
$4,747 AUD
View
Price last confirmed 7 days ago
Retailer 6
-
$4,747 AUD
View
Price last confirmed 11 days ago
Retailer 7
-
$5,060 AUD
View
Price last confirmed 23 days ago
Retailer 8
-
$5,607 AUD
View
Price last confirmed 7 days ago
Retailer 9
-
$5,745 AUD
View
Price last confirmed 10 days ago
Retailer 10
-
$5,971 AUD
View
Price last confirmed 9 days ago
Retailer 11
-
$6,133 AUD
View
Price last confirmed 9 days ago
Retailer 12
-
$7,921 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$8,326 AUD
View
Retailer 14
-
$8,889 AUD
View
Price last confirmed 10 days ago
Retailer 15
-
$11,157 AUD
View
Price last confirmed 8 days ago
Retailer 16
-
$11,203 AUD
View
Price last confirmed 8 days ago
Retailer 17
-
$11,445 AUD
View
Price last confirmed 13 days ago
Retailer 18
-
$11,700 AUD
View
Price last confirmed 10 days ago
Retailer 19
-
$14,581 AUD
View
Price last confirmed 9 days ago
B
Retailer 20
-
$16,553 AUD
View
Most Expensive
Novita Diamonds
cert_771629831 · Oct 8
$22,780 AUD
View
Price last confirmed 26 days ago
20 more retailers have this diamond
Prices start from $4,334 AUDSave up to $12,218 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
$4,334 AUD