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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG706508292

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG706508292

Diamond specifications and retailer prices

From £1,114 GBP
$1,493 USD
As of October 30, 2026
Save £6,551 GBP (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £9,023 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG706508292 or 706508292. Listed at 24 retailers as of October 30, 2026, with a 588% 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

5.09
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706508292
Dimensions18.44 × 9.00 × 5.59 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Top View
18.44 mm9.00 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706508292
Side View
Table 64.0%Crown 34.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.1%

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 30
Current: £9,023 GBP|Low: £1,069 GBP|High: £9,187 GBP|Avg: £2,805 GBP|-1.8%
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
November 1, 2026
Retailer 7£1,069 GBP
Retailer 6£1,293 GBP
Retailer 8£1,293 GBP
Retailer 10£1,356 GBP
Retailer 17£1,392 GBP
Retailer 9£1,445 GBP
Retailer 2£1,545 GBP
Retailer 19£1,811 GBP
Retailer 13£2,022 GBP
Retailer 18£2,346 GBP
Retailer 12£2,892 GBP
Retailer 15£2,899 GBP
Retailer 11£2,957 GBP
Retailer 4£3,484 GBP
Retailer 3£3,744 GBP
Retailer 14£3,943 GBP
Retailer 16£4,098 GBP
Retailer 5£7,665 GBP
Brilliant Earth£9,023 GBP

38 data points across 19 retailers

24 retailers£1,114 GBP to £7,665 GBP

Retailer 1
-
£1,069 GBP
$1,433 USD
Price last confirmed 30 days ago
A
Retailer 2
-
£1,114 GBP
$1,493 USD
View
Retailer 3
-
£1,213 GBP
$1,625 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£1,293 GBP
$1,732 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
£1,356 GBP
$1,817 USD
View
Final sale: no returns
A
Retailer 6
-
£1,392 GBP
$1,865 USD
View
A
Retailer 7
-
£1,445 GBP
$1,936 USD
View
A
Retailer 8
-
£1,545 GBP
View
B+
Retailer 9
-
£1,570 GBP
$2,104 USD
View
B+
Retailer 10
-
£1,811 GBP
$2,426 USD
View
B+
Retailer 11
-
£2,022 GBP
View
B+
Retailer 12
-
£2,346 GBP
$3,144 USD
View
B
Retailer 13
-
£2,675 GBP
$3,584 USD
View
Retailer 14
-
£2,675 GBP
$3,584 USD
View
Price last confirmed 32 days ago
B
Retailer 15
-
£2,892 GBP
A$5,961 AUD
View
B+
Retailer 16
-
£2,899 GBP
ZAR 62,756 ZAR
View
B
Retailer 17
-
£2,957 GBP
View
B
Retailer 18
-
£3,484 GBP
$4,668 USD
View
B
Retailer 19
-
£3,744 GBP
$5,016 USD
View
B
Retailer 20
-
£3,943 GBP
A$8,129 AUD
View
B
Retailer 21
-
£4,098 GBP
View
B
Retailer 22
-
£5,023 GBP
$6,730 USD
View
B
Retailer 23
-
£7,665 GBP
$10,270 USD
View
Most Expensive
Brilliant Earth
17443438A · Oct 31
£9,023 GBP
$12,090 USD
View
Price under review
23 more retailers have this diamond
Prices start from £1,114 GBPSave up to £6,551 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
5.09ct Marquise
£1,114 GBP