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Marquise|Lab Grown|IGI

4.01ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG754563763

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754563763

Diamond specifications and retailer prices

From £8,654 GBP
$11,595 USD
As of October 28, 2026
Save £20,885 GBP (71%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £29,539 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.01ct lab-grown marquise diamond

This 4.01ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG754563763 or 754563763. Listed at 25 retailers as of October 28, 2026, with prices from £8,654 to £29,539, a £20,885 spread on the same certified stone. Cape Diamonds lists it at £29,539. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.01
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563763
Dimensions16.65 × 8.37 × 5.07 mm
L/W Ratio1.99
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
16.65 mm8.37 mm4.01 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563763
Side View
Table 62.0%Crown 33.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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 28
Current: £29,539 GBP|Low: £7,708 GBP|High: £51,718 GBP|Avg: £20,648 GBP|+1.9%
Cape Diamonds
Retailer 2
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Retailer 23
November 1, 2026
Retailer 21£8,654 GBP
Retailer 23£11,618 GBP
Retailer 11£11,708 GBP
Retailer 3£11,963 GBP
Retailer 20£12,250 GBP
Retailer 16£12,606 GBP
Retailer 4£13,006 GBP
Retailer 22£13,877 GBP
Retailer 5£14,074 GBP
Retailer 8£15,195 GBP
Retailer 18£15,670 GBP
Retailer 9£16,454 GBP
Retailer 12£19,882 GBP
Retailer 13£21,797 GBP
Retailer 15£23,590 GBP
Retailer 19£23,614 GBP
Retailer 17£24,024 GBP
Retailer 7£25,075 GBP
Cape Diamonds£29,539 GBP
Retailer 2£30,117 GBP
Retailer 6£38,692 GBP
Retailer 14£38,715 GBP
Retailer 10£51,718 GBP

32 data points across 23 retailers

25 retailers£8,654 GBP to £29,539 GBP

A
Cheapest Retailer
-
£8,654 GBP
$11,595 USD
Retailer 2
-
£11,618 GBP
View
Price last confirmed 15 days ago
B+
Retailer 3
-
£11,708 GBP
$15,688 USD
View
B+
Retailer 4
-
£11,963 GBP
$16,029 USD
View
B+
Retailer 5
-
£12,250 GBP
$16,414 USD
View
B+
Retailer 6
-
£12,606 GBP
$16,891 USD
View
B+
Retailer 7
-
£12,696 GBP
$17,011 USD
View
B+
Retailer 8
-
£13,006 GBP
$17,426 USD
View
B+
Retailer 9
-
£13,877 GBP
$18,594 USD
View
B+
Retailer 10
-
£14,074 GBP
$18,858 USD
View
B
Retailer 11
-
£15,195 GBP
$20,360 USD
View
B
Retailer 12
-
£15,670 GBP
View
B
Retailer 13
-
£16,454 GBP
$22,046 USD
View
Final sale: no returns
B
Retailer 14
-
£19,882 GBP
View
B
Retailer 15
-
£21,797 GBP
View
B
Retailer 16
-
£23,614 GBP
€30,134 EUR
View
B
Retailer 17
-
£24,024 GBP
A$49,522 AUD
View
B
Retailer 18
-
£25,075 GBP
$33,598 USD
View
Most Expensive
B
Cape Diamonds
cert_754563763 · Oct 29
£29,539 GBP
ZAR 639,400 ZAR
View
18 more retailers have this diamond
Prices start from £8,654 GBPSave up to £20,885 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
4.01ct Marquise
£8,654 GBP