Marquise|Lab Grown|IGI

5.28ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG695509669

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG695509669

Diamond specifications and retailer prices

From £1,016 GBP
$1,361 USD
As of October 31, 2026
Save £7,037 GBP (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £8,911 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.28ct lab-grown marquise diamond

This 5.28ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG695509669 or 695509669. Listed at 24 retailers as of October 31, 2026, with a 693% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.28
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG695509669
Dimensions17.85 × 9.13 × 5.56 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.85 mm9.13 mm5.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG695509669
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.9%

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: Oct 31
Current: £8,911 GBP|Low: £725 GBP|High: £9,008 GBP|Avg: £2,738 GBP|-1.1%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 7£1,016 GBP
Retailer 5£1,052 GBP
Retailer 13£1,108 GBP
Retailer 6£1,215 GBP
Retailer 20£1,480 GBP
Retailer 8£1,523 GBP
Retailer 2£1,638 GBP
Retailer 4£2,016 GBP
Retailer 14£2,041 GBP
Retailer 17£2,352 GBP
Retailer 15£2,360 GBP
Retailer 11£2,809 GBP
Retailer 3£3,019 GBP
Retailer 10£3,122 GBP
Retailer 19£3,303 GBP
Retailer 16£3,752 GBP
Retailer 12£4,119 GBP
Retailer 18£4,191 GBP
Retailer 9£6,605 GBP
Brilliant Earth£8,911 GBP

43 data points across 20 retailers

24 retailers£1,016 GBP to £8,053 GBP

Retailer 1
-
£871 GBP
$1,167 USD
Price last confirmed 29 days ago
Retailer 2
-
£987 GBP
$1,322 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£1,016 GBP
$1,361 USD
View
Final sale: no returns
Retailer 4
-
£1,052 GBP
$1,410 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£1,108 GBP
$1,485 USD
View
A
Retailer 6
-
£1,215 GBP
$1,628 USD
View
A
Retailer 7
-
£1,480 GBP
$1,983 USD
View
A
Retailer 8
-
£1,523 GBP
$2,040 USD
View
A
Retailer 9
-
£1,638 GBP
View
B+
Retailer 10
-
£2,016 GBP
$2,701 USD
View
B+
Retailer 11
-
£2,041 GBP
A$4,208 AUD
View
Retailer 12
-
£2,177 GBP
$2,917 USD
View
Price last confirmed 31 days ago
Retailer 13
-
£2,352 GBP
A$4,848 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£2,360 GBP
ZAR 51,086 ZAR
View
B
Retailer 15
-
£2,809 GBP
View
B
Retailer 16
-
£3,019 GBP
$4,045 USD
View
B
Retailer 17
-
£3,122 GBP
$4,184 USD
View
Retailer 18
-
£3,303 GBP
A$6,809 AUD
View
Price last confirmed 22 days ago
B
Retailer 19
-
£3,752 GBP
View
B
Retailer 20
-
£4,119 GBP
$5,519 USD
View
B
Retailer 21
-
£4,191 GBP
$5,615 USD
View
B
Retailer 22
-
£6,605 GBP
$8,850 USD
View
B
Retailer 23
-
£8,053 GBP
$10,790 USD
View
Most Expensive
Brilliant Earth
18630745A · Oct 30
£8,911 GBP
$11,940 USD
View
Price under review
23 more retailers have this diamond
Prices start from £1,016 GBPSave up to £7,037 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
5.28ct Marquise
£1,016 GBP