Marquise|Lab Grown|IGI

0.55ct I SI2 Marquise Lab Grown Diamond

ID • I/SI2 • IGI LG436072202

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436072202

Diamond specifications and retailer prices

From £195 GBP
$261 USD
As of October 30, 2026
Save £771 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £966 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.55ct lab-grown marquise diamond

This 0.55ct lab-grown marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072202 or 436072202. Listed at 11 retailers as of October 30, 2026, with prices from £195 to £966, a £771 spread on the same certified stone. MOH London lists it at £966. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072202
Dimensions8.53 × 4.27 × 2.68 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.53 mm4.27 mm0.55 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436072202
Side View
Table 56.0%Crown 32.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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: £966 GBP|Low: £187 GBP|High: £978 GBP|Avg: £438 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7£195 GBP
Retailer 3£217 GBP
Retailer 11£225 GBP
Retailer 8£241 GBP
Retailer 12£241 GBP
Retailer 2£269 GBP
Retailer 10£401 GBP
Retailer 5£452 GBP
Retailer 4£502 GBP
Retailer 6£740 GBP
Retailer 9£775 GBP
MOH London£966 GBP

24 data points across 12 retailers

11 retailers£195 GBP to £966 GBP

A
Cheapest Retailer
-
£195 GBP
$261 USD
A
Retailer 2
-
£217 GBP
$291 USD
View
Final sale: no returns
A
Retailer 3
-
£225 GBP
$302 USD
View
Retailer 4
-
£241 GBP
$323 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£241 GBP
$323 USD
View
B+
Retailer 6
-
£269 GBP
$360 USD
View
B
Retailer 7
-
£401 GBP
$537 USD
View
Retailer 8
-
£452 GBP
€577 EUR
View
Price last confirmed 7 days ago
B
Retailer 9
-
£740 GBP
$992 USD
View
B
Retailer 10
-
£775 GBP
$1,038 USD
View
Most Expensive
B
MOH London
LG436072202 · Nov 1
£966 GBP
View
10 more retailers have this diamond
Prices start from £195 GBPSave up to £771 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
£195 GBP