Marquise|Lab Grown|IGI

1.54ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG826659196

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826659196

Diamond specifications and retailer prices

From £263 GBP
$353 USD
As of November 2, 2026
Save £1,765 GBP (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,269 GBP at Brilliant Earth · As of October 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826659196 or 826659196. Listed at 25 retailers as of October 27, 2026, with a 670% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826659196
Dimensions12.10 × 6.18 × 3.74 mm
L/W Ratio1.96
Girdle conditionFaceted
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
12.10 mm6.18 mm1.54 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826659196
Side View
Table 58.0%Crown 33.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,269 GBP|Low: £255 GBP|High: £2,269 GBP|Avg: £812 GBP
Brilliant Earth
Retailer 2
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November 2, 2026
Retailer 8£263 GBP
Retailer 15£295 GBP
Retailer 7£306 GBP
Retailer 10£327 GBP
Retailer 11£327 GBP
Retailer 24£363 GBP
Retailer 6£440 GBP
Retailer 20£452 GBP
Retailer 3£526 GBP
Retailer 14£546 GBP
Retailer 2£564 GBP
Retailer 13£588 GBP
Retailer 22£759 GBP
Retailer 4£787 GBP
Retailer 23£1,042 GBP
Retailer 12£1,051 GBP
Retailer 16£1,082 GBP
Retailer 19£1,146 GBP
Retailer 5£1,254 GBP
Retailer 9£1,256 GBP
Retailer 18£1,278 GBP
Retailer 17£1,281 GBP
Retailer 21£1,393 GBP
Brilliant Earth£2,269 GBP

35 data points across 24 retailers

25 retailers£263 GBP to £2,028 GBP

A
Cheapest Retailer
-
£263 GBP
$353 USD
A
Retailer 2
-
£295 GBP
$395 USD
View
Final sale: no returns
A
Retailer 3
-
£306 GBP
$410 USD
View
A
Retailer 4
-
£327 GBP
$438 USD
View
Retailer 5
-
£327 GBP
$438 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£363 GBP
HK$3,800 HKD
View
A
Retailer 7
-
£440 GBP
$590 USD
View
A
Retailer 8
-
£452 GBP
$605 USD
View
Retailer 9
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£526 GBP
€671 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
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£546 GBP
$731 USD
View
A
Retailer 11
-
£564 GBP
ZAR 12,204 ZAR
View
B+
Retailer 12
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£588 GBP
View
B+
Retailer 13
-
£759 GBP
A$1,564 AUD
View
B+
Retailer 14
-
£787 GBP
$1,055 USD
View
B
Retailer 15
-
£1,042 GBP
SGD 1,886 SGD
View
B
Retailer 16
-
£1,051 GBP
$1,408 USD
View
B
Retailer 17
-
£1,082 GBP
$1,450 USD
View
B+
Retailer 18
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£1,146 GBP
$1,535 USD
View
Retailer 19
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£1,254 GBP
$1,680 USD
View
Price last confirmed 14 days ago
B
Retailer 20
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£1,256 GBP
$1,683 USD
View
B
Retailer 21
-
£1,278 GBP
View
Retailer 22
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£1,281 GBP
A$2,640 AUD
View
Price last confirmed 25 days ago
B
Retailer 23
-
£1,393 GBP
$1,867 USD
View
B
Retailer 24
-
£2,028 GBP
View
Most Expensive
Brilliant Earth
21583999A · Oct 4
£2,269 GBP
$3,040 USD
View
Price last confirmed 28 days ago
24 more retailers have this diamond
Prices start from £263 GBPSave up to £1,765 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
1.54ct Marquise
£263 GBP