Marquise|Lab Grown|IGI

0.54ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG764610190

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG764610190

Diamond specifications and retailer prices

From £66 GBP
$89 USD
As of October 30, 2026
Save £561 GBP (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £627 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.54ct lab-grown marquise diamond

This 0.54ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG764610190 or 764610190. Listed at 19 retailers as of October 30, 2026, with prices from £66 to £627, a £561 spread on the same certified stone. Reve Diamonds lists it at £627. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.54
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764610190
Dimensions8.89 × 4.31 × 2.56 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.89 mm4.31 mm0.54 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG764610190
Side View
Table 64.0%Crown 33.6°Girdle: THN-STKPavilion 39.4°Culet: NoneDepth 59.4%

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: Oct 30
Current: £138 GBP|Low: £66 GBP|High: £669 GBP|Avg: £215 GBP|-7.5%
Retailer 1
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Retailer 11
Retailer 12
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Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Reve Diamonds
November 1, 2026
Retailer 10£66 GBP
Retailer 7£74 GBP
Retailer 4£77 GBP
Retailer 2£88 GBP
Retailer 18£88 GBP
Retailer 6£112 GBP
Retailer 3£133 GBP
Retailer 1£138 GBP
Retailer 12£153 GBP
Retailer 15£163 GBP
Retailer 17£179 GBP
Retailer 14£199 GBP
Retailer 9£239 GBP
Retailer 13£239 GBP
Retailer 5£257 GBP
Retailer 16£266 GBP
Retailer 8£310 GBP
Retailer 11£607 GBP
Reve Diamonds£627 GBP

42 data points across 19 retailers

19 retailers£66 GBP to £627 GBP

A
Cheapest Retailer
-
£66 GBP
$89 USD
A
Retailer 2
-
£74 GBP
$99 USD
View
Final sale: no returns
A
Retailer 3
-
£77 GBP
$103 USD
View
A
Retailer 4
-
£88 GBP
$118 USD
View
Retailer 5
-
£88 GBP
$118 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£112 GBP
$150 USD
View
Retailer 7
-
£133 GBP
$178 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
£138 GBP
$185 USD
View
A
Retailer 9
-
£153 GBP
View
A
Retailer 10
-
£163 GBP
€208 EUR
View
A
Retailer 11
-
£179 GBP
$240 USD
View
B+
Retailer 12
-
£199 GBP
View
B+
Retailer 13
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£239 GBP
SGD 432 SGD
View
B+
Retailer 14
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£239 GBP
$320 USD
View
B+
Retailer 15
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£257 GBP
$344 USD
View
B+
Retailer 16
-
£266 GBP
$356 USD
View
B
Retailer 17
-
£310 GBP
$415 USD
View
B
Retailer 18
-
£607 GBP
View
Most Expensive
B
Reve Diamonds
642D14637 · Nov 1
£627 GBP
$840 USD
View
18 more retailers have this diamond
Prices start from £66 GBPSave up to £561 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
0.54ct Marquise
£66 GBP