Marquise|Lab Grown|IGI

0.69ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG805673316

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805673316

Diamond specifications and retailer prices

From £124 GBP
HK$1,300 HKD
As of November 1, 2026
Save £175 GBP (59%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £901 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.69ct lab-grown marquise diamond

This 0.69ct lab-grown marquise sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805673316 or 805673316. Listed at 14 retailers as of November 1, 2026, with a 141% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.69
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.6°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805673316
Dimensions9.23 × 4.52 × 2.91 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.23 mm4.52 mm0.69 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805673316
Side View
Table 61.0%Crown 31.6°Girdle: MED-THKPavilion 42.2°Culet: NoneDepth 64.4%

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: Nov 1
Current: £901 GBP|Low: £124 GBP|High: £904 GBP|Avg: £295 GBP|+4.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10£124 GBP
Retailer 7£192 GBP
Retailer 9£210 GBP
Retailer 5£219 GBP
Retailer 8£238 GBP
Retailer 2£257 GBP
Retailer 6£265 GBP
Retailer 3£298 GBP
Retailer 4£299 GBP
MOH London£901 GBP

39 data points across 10 retailers

14 retailers£124 GBP to £299 GBP

Retailer 1
-
£82 GBP
$110 USD
Price last confirmed 16 days ago
Retailer 2
-
£95 GBP
$128 USD
View
Price last confirmed 18 days ago
Retailer 3
-
£109 GBP
$146 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
£124 GBP
HK$1,300 HKD
View
A
Retailer 5
-
£192 GBP
€245 EUR
View
Retailer 6
-
£210 GBP
$282 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£219 GBP
View
B+
Retailer 8
-
£238 GBP
$320 USD
View
B+
Retailer 9
-
£257 GBP
$345 USD
View
Retailer 10
-
£265 GBP
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£298 GBP
$400 USD
View
B+
Retailer 12
-
£299 GBP
SGD 543 SGD
View
Retailer 13
-
£328 GBP
$440 USD
View
Price last confirmed 17 days ago
Most Expensive
MOH London
LG805673316 · Oct 26
£901 GBP
View
Price last confirmed 7 days ago
13 more retailers have this diamond
Prices start from £124 GBPSave up to £175 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
0.69ct Marquise
£124 GBP