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Marquise|Lab Grown|IGI

0.55ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG752506256

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752506256

Diamond specifications and retailer prices

From £69 GBP
$92 USD
As of October 30, 2026
Save £566 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £635 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.55ct lab-grown marquise diamond

This 0.55ct 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 LG752506256 or 752506256. Listed at 16 retailers as of October 30, 2026, with prices from £69 to £635, a £566 spread on the same certified stone. Reve Diamonds lists it at £635. 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

0.55
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752506256
Dimensions8.16 × 4.17 × 2.74 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
8.16 mm4.17 mm0.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG752506256
Side View
Table 61.0%Crown 36.1°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 65.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £629 GBP|Low: £62 GBP|High: £837 GBP|Avg: £251 GBP|-24.8%
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
Reve Diamonds
November 1, 2026
Retailer 14£69 GBP
Retailer 2£76 GBP
Retailer 4£80 GBP
Retailer 10£91 GBP
Retailer 12£91 GBP
Retailer 7£153 GBP
Retailer 8£161 GBP
Retailer 3£178 GBP
Retailer 5£188 GBP
Retailer 9£207 GBP
Retailer 11£275 GBP
Retailer 6£306 GBP
Retailer 13£307 GBP
Retailer 15£316 GBP
Retailer 1£629 GBP
Reve Diamonds£635 GBP

29 data points across 16 retailers

16 retailers£69 GBP to £635 GBP

A
Cheapest Retailer
-
£69 GBP
$92 USD
A
Retailer 2
-
£76 GBP
$102 USD
View
Final sale: no returns
A
Retailer 3
-
£80 GBP
$107 USD
View
A
Retailer 4
-
£91 GBP
$122 USD
View
Retailer 5
-
£91 GBP
$122 USD
View
Price last confirmed 7 days ago
Retailer 6
-
£153 GBP
$205 USD
View
Price last confirmed 25 days ago
A
Retailer 7
-
£161 GBP
View
A
Retailer 8
-
£178 GBP
$239 USD
View
B+
Retailer 9
-
£207 GBP
View
Retailer 10
-
£213 GBP
$286 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
£275 GBP
$369 USD
View
Retailer 12
-
£306 GBP
$410 USD
View
Price last confirmed 18 days ago
B
Retailer 13
-
£307 GBP
$411 USD
View
B
Retailer 14
-
£316 GBP
$423 USD
View
B
Retailer 15
-
£629 GBP
View
Most Expensive
B
Reve Diamonds
33A3C1331 · Nov 1
£635 GBP
$851 USD
View
15 more retailers have this diamond
Prices start from £69 GBPSave up to £566 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
0.55ct Marquise
£69 GBP