CaratHunter
Plans
Marquise|Lab Grown|IGI

4.53ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG826691243

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826691243

Diamond specifications and retailer prices

From £7,313 GBP
As of November 1, 2026
Save £23,630 GBP (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £30,942 GBP at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 4.53ct lab-grown marquise diamond

This 4.53ct 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 LG826691243 or 826691243. Listed at 22 retailers as of October 31, 2026, with prices from £7,313 to £30,942, a £23,630 spread on the same certified stone. Michael Trio lists it at £30,942. 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

4.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826691243
Dimensions17.05 × 8.61 × 5.23 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.05 mm8.61 mm4.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826691243
Side View
Table 60.0%Crown 31.2°Girdle: STK-VTKPavilion 40.1°Culet: NoneDepth 60.7%

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: £19,198 GBP|Low: £7,266 GBP|High: £22,551 GBP|Avg: £12,457 GBP|-0.2%
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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 10£7,313 GBP
Retailer 6£7,569 GBP
Retailer 8£8,228 GBP
Retailer 5£8,676 GBP
Retailer 3£8,748 GBP
Retailer 7£8,780 GBP
Retailer 4£9,460 GBP
Retailer 13£9,774 GBP
Retailer 16£10,411 GBP
Retailer 9£14,104 GBP
Retailer 14£14,404 GBP
Retailer 2£14,711 GBP
Retailer 15£18,688 GBP
Retailer 1£19,198 GBP
Retailer 12£21,306 GBP
Retailer 11£22,551 GBP

33 data points across 16 retailers

22 retailers£7,313 GBP to £30,942 GBP

A
Cheapest Retailer
-
£7,313 GBP
A
Retailer 2
-
£7,569 GBP
$10,141 USD
View
A
Retailer 3
-
£7,872 GBP
$10,547 USD
View
A
Retailer 4
-
£8,075 GBP
$10,820 USD
View
A
Retailer 5
-
£8,228 GBP
$11,025 USD
View
A
Retailer 6
-
£8,676 GBP
$11,625 USD
View
A
Retailer 7
-
£8,748 GBP
$11,722 USD
View
Retailer 8
-
£8,780 GBP
$11,764 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
£8,780 GBP
$11,764 USD
View
A
Retailer 10
-
£9,460 GBP
$12,676 USD
View
B+
Retailer 11
-
£9,774 GBP
$13,096 USD
View
Final sale: no returns
A
Retailer 12
-
£10,411 GBP
View
B+
Retailer 13
-
£12,580 GBP
View
B+
Retailer 14
-
£14,104 GBP
View
B+
Retailer 15
-
£14,404 GBP
$19,300 USD
View
B+
Retailer 16
-
£14,711 GBP
€18,772 EUR
View
B+
Retailer 17
-
£18,688 GBP
ZAR 404,512 ZAR
View
B
Retailer 18
-
£19,198 GBP
A$39,574 AUD
View
B
Retailer 19
-
£21,306 GBP
$28,548 USD
View
B
Retailer 20
-
£22,551 GBP
A$46,486 AUD
View
B
Retailer 21
-
£27,060 GBP
$36,257 USD
View
Most Expensive
B
Michael Trio
1781248144 · Oct 31
£30,942 GBP
SGD 56,026 SGD
View
21 more retailers have this diamond
Prices start from £7,313 GBPSave up to £23,630 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
4.53ct Marquise
£7,313 GBP