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Marquise|Lab Grown|IGI

4.47ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG762545528

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545528

Diamond specifications and retailer prices

From $16,827 AUD
$11,820 USD
As of November 1, 2026
Save $45,896 AUD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $62,723 AUD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.47ct lab-grown marquise diamond

This 4.47ct 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 LG762545528 or 762545528. Listed at 13 retailers as of October 29, 2026, with prices from $16,827 to $62,723, a $45,896 spread on the same certified stone. Cape Diamonds lists it at $62,723. 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

4.47
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545528
Dimensions16.85 × 8.70 × 5.23 mm
L/W Ratio1.94
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
16.85 mm8.70 mm4.47 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545528
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.1%

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 1
Current: $62,723 AUD|Low: $14,983 AUD|High: $82,318 AUD|Avg: $42,456 AUD|-10.8%
Cape 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
November 2, 2026
Retailer 11$16,827 AUD
Retailer 6$19,678 AUD
Retailer 5$20,394 AUD
Retailer 15$22,544 AUD
Retailer 13$26,406 AUD
Retailer 12$32,131 AUD
Retailer 2$32,552 AUD
Retailer 8$45,234 AUD
Retailer 14$48,237 AUD
Retailer 4$50,087 AUD
Retailer 10$50,210 AUD
Retailer 9$51,077 AUD
Cape Diamonds$62,723 AUD
Retailer 7$71,417 AUD
Retailer 3$82,318 AUD

28 data points across 15 retailers

13 retailers$16,827 AUD to $62,723 AUD

A
Cheapest Retailer
-
$16,827 AUD
$11,820 USD
B+
Retailer 2
-
$19,678 AUD
$13,823 USD
View
B+
Retailer 3
-
$22,544 AUD
$15,836 USD
View
B+
Retailer 4
-
$26,406 AUD
$18,549 USD
View
B+
Retailer 5
-
$32,131 AUD
$22,570 USD
View
B
Retailer 6
-
$32,552 AUD
£18,005 GBP
View
B
Retailer 7
-
$45,234 AUD
£25,019 GBP
View
B
Retailer 8
-
$48,237 AUD
$33,884 USD
View
B
Retailer 9
-
$50,210 AUD
€33,590 EUR
View
B
Retailer 10
-
$51,077 AUD
View
Most Expensive
B
Cape Diamonds
cert_762545528 · Oct 29
$62,723 AUD
ZAR 711,788 ZAR
View
10 more retailers have this diamond
Prices start from $16,827 AUDSave up to $45,896 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
4.47ct Marquise
$16,827 AUD