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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 $11,820 USD
As of October 28, 2026
Save $32,240 USD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $44,060 USD 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 28, 2026, with prices from $11,820 to $44,060, a $32,240 spread on the same certified stone. Cape Diamonds lists it at $44,060. 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
Color
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: Oct 28
Current: $44,060 USD|Low: $10,525 USD|High: $57,824 USD|Avg: $29,837 USD|-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 1, 2026
Retailer 11$11,820 USD
Retailer 6$13,823 USD
Retailer 5$14,326 USD
Retailer 15$15,836 USD
Retailer 13$18,549 USD
Retailer 12$22,570 USD
Retailer 9$22,796 USD
Retailer 2$31,774 USD
Retailer 14$33,884 USD
Retailer 4$35,183 USD
Retailer 10$35,270 USD
Retailer 8$35,879 USD
Cape Diamonds$44,060 USD
Retailer 7$50,166 USD
Retailer 3$57,824 USD

28 data points across 15 retailers

13 retailers$11,820 USD to $44,060 USD

A
Cheapest Retailer
-
$11,820 USD
B+
Retailer 2
-
$13,823 USD
View
B+
Retailer 3
-
$15,836 USD
View
B+
Retailer 4
-
$18,549 USD
View
B+
Retailer 5
-
$22,570 USD
View
B
Retailer 6
-
$22,796 USD
£17,949 GBP
View
B
Retailer 7
-
$31,774 USD
£25,019 GBP
View
B
Retailer 8
-
$33,884 USD
View
B
Retailer 9
-
$35,270 USD
€33,590 EUR
View
B
Retailer 10
-
$35,879 USD
A$55,198 AUD
View
Most Expensive
B
Cape Diamonds
cert_762545528 · Oct 29
$44,060 USD
ZAR 711,788 ZAR
View
10 more retailers have this diamond
Prices start from $11,820 USDSave up to $32,240 USD

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
$11,820 USD