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Marquise|Lab Grown|IGI

4.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG762546212

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762546212

Diamond specifications and retailer prices

From £11,070 GBP
$14,833 USD
As of October 31, 2026
Save £17,182 GBP (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £28,252 GBP at Yorxs · As of October 29, 2026
View at Yorxs

About this 4.03ct lab-grown marquise diamond

This 4.03ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762546212 or 762546212. Listed at 11 retailers as of October 29, 2026, with prices from £11,070 to £28,252, a £17,182 spread on the same certified stone. Yorxs lists it at £28,252. 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

4.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762546212
Dimensions16.47 × 8.44 × 5.17 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
16.47 mm8.44 mm4.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762546212
Side View
Table 60.0%Crown 33.4°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £35,262 GBP|Low: £11,070 GBP|High: £46,319 GBP|Avg: £23,830 GBP|-10.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Yorxs
October 29, 2026
Retailer 2£11,070 GBP
Retailer 3£11,475 GBP
Retailer 11£12,639 GBP
Retailer 9£14,842 GBP
Retailer 5£14,979 GBP
Retailer 8£17,203 GBP
Retailer 6£17,774 GBP
Retailer 7£25,565 GBP
Retailer 10£27,118 GBP
Retailer 13£28,155 GBP
Yorxs£28,252 GBP
Retailer 1£35,262 GBP
Retailer 4£39,493 GBP
Retailer 12£46,319 GBP

26 data points across 14 retailers

11 retailers£11,070 GBP to £28,252 GBP

B+
Cheapest Retailer
-
£11,070 GBP
$14,833 USD
B+
Retailer 2
-
£12,639 GBP
$16,935 USD
View
B+
Retailer 3
-
£14,842 GBP
$19,886 USD
View
B+
Retailer 4
-
£17,203 GBP
$23,050 USD
View
B+
Retailer 5
-
£17,774 GBP
View
B
Retailer 6
-
£25,565 GBP
View
B
Retailer 7
-
£27,118 GBP
$36,335 USD
View
Most Expensive
B
Yorxs
526535719 · Oct 29
£28,252 GBP
€36,052 EUR
View
7 more retailers have this diamond
Prices start from £11,070 GBPSave up to £17,182 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.

B+
4.03ct Marquise
£11,070 GBP