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Marquise|Lab Grown|IGI

4.02ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG762545568

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545568

Diamond specifications and retailer prices

From £7,896 GBP
$10,580 USD
As of November 1, 2026
Save £21,715 GBP (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £29,612 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.02ct lab-grown marquise diamond

This 4.02ct 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 LG762545568 or 762545568. Listed at 13 retailers as of October 29, 2026, with prices from £7,896 to £29,612, a £21,715 spread on the same certified stone. Cape Diamonds lists it at £29,612. 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

4.02
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545568
Dimensions16.08 × 8.23 × 5.25 mm
L/W Ratio1.95
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
16.08 mm8.23 mm4.02 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545568
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.8%

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: £29,612 GBP|Low: £7,033 GBP|High: £38,811 GBP|Avg: £18,840 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
November 1, 2026
Retailer 10£7,896 GBP
Retailer 4£9,279 GBP
Retailer 5£9,615 GBP
Retailer 13£10,660 GBP
Retailer 11£12,473 GBP
Retailer 9£15,195 GBP
Retailer 7£15,709 GBP
Retailer 2£21,851 GBP
Retailer 12£22,773 GBP
Retailer 8£23,673 GBP
Retailer 6£24,083 GBP
Cape Diamonds£29,612 GBP
Retailer 3£38,811 GBP

27 data points across 13 retailers

13 retailers£7,896 GBP to £29,612 GBP

A
Cheapest Retailer
-
£7,896 GBP
$10,580 USD
B+
Retailer 2
-
£9,279 GBP
$12,433 USD
View
B+
Retailer 3
-
£10,660 GBP
$14,283 USD
View
B+
Retailer 4
-
£12,473 GBP
$16,712 USD
View
B
Retailer 5
-
£15,195 GBP
$20,360 USD
View
B
Retailer 6
-
£15,709 GBP
View
B
Retailer 7
-
£21,851 GBP
View
B
Retailer 8
-
£22,773 GBP
$30,513 USD
View
B
Retailer 9
-
£23,673 GBP
€30,209 EUR
View
B
Retailer 10
-
£24,083 GBP
A$49,643 AUD
View
Most Expensive
B
Cape Diamonds
cert_762545568 · Oct 29
£29,612 GBP
ZAR 640,974 ZAR
View
10 more retailers have this diamond
Prices start from £7,896 GBPSave up to £21,715 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
4.02ct Marquise
£7,896 GBP