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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 £8,822 GBP
$11,820 USD
As of November 1, 2026
Save £24,061 GBP (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £32,883 GBP 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 £8,822 to £32,883, a £24,061 spread on the same certified stone. Cape Diamonds lists it at £32,883. 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: £32,883 GBP|Low: £7,855 GBP|High: £43,156 GBP|Avg: £22,264 GBP|-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£8,822 GBP
Retailer 6£10,317 GBP
Retailer 5£10,692 GBP
Retailer 15£11,819 GBP
Retailer 13£13,844 GBP
Retailer 12£16,845 GBP
Retailer 9£17,013 GBP
Retailer 2£23,714 GBP
Retailer 14£25,289 GBP
Retailer 4£26,258 GBP
Retailer 10£26,323 GBP
Retailer 8£26,777 GBP
Cape Diamonds£32,883 GBP
Retailer 7£37,441 GBP
Retailer 3£43,156 GBP

27 data points across 15 retailers

13 retailers£8,822 GBP to £32,883 GBP

A
Cheapest Retailer
-
£8,822 GBP
$11,820 USD
B+
Retailer 2
-
£10,317 GBP
$13,823 USD
View
B+
Retailer 3
-
£11,819 GBP
$15,836 USD
View
B+
Retailer 4
-
£13,844 GBP
$18,549 USD
View
B+
Retailer 5
-
£16,845 GBP
$22,570 USD
View
B
Retailer 6
-
£17,013 GBP
View
B
Retailer 7
-
£23,714 GBP
View
B
Retailer 8
-
£25,289 GBP
$33,884 USD
View
B
Retailer 9
-
£26,323 GBP
€33,590 EUR
View
B
Retailer 10
-
£26,777 GBP
A$55,198 AUD
View
Most Expensive
B
Cape Diamonds
cert_762545528 · Oct 29
£32,883 GBP
ZAR 711,788 ZAR
View
10 more retailers have this diamond
Prices start from £8,822 GBPSave up to £24,061 GBP

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
£8,822 GBP