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Marquise|Lab Grown|IGI

0.71ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG805672729

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805672729

Diamond specifications and retailer prices

From €148 EUR
HK$1,300 HKD
As of November 1, 2026
Save €226 EUR (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,046 EUR at MOH London · As of October 21, 2026
View at MOH London

About this 0.71ct lab-grown marquise diamond

This 0.71ct 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 LG805672729 or 805672729. Listed at 15 retailers as of November 1, 2026, with a 152% 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

0.71
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle29.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805672729
Dimensions9.94 × 4.67 × 2.76 mm
L/W Ratio2.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.94 mm4.67 mm0.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG805672729
Side View
Table 64.0%Crown 29.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.1%

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: €1,046 EUR|Low: €96 EUR|High: €1,063 EUR|Avg: €330 EUR|-0.4%
MOH London
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
November 2, 2026
Retailer 14€101 EUR
Retailer 12€117 EUR
Retailer 4€133 EUR
Retailer 11€224 EUR
Retailer 5€245 EUR
Retailer 9€250 EUR
Retailer 3€294 EUR
Retailer 2€295 EUR
Retailer 10€307 EUR
Retailer 6€336 EUR
Retailer 8€346 EUR
Retailer 7€374 EUR
Retailer 13€400 EUR
MOH London€1,046 EUR

42 data points across 14 retailers

15 retailers€148 EUR to €374 EUR

Retailer 1
-
€101 EUR
$113 USD
Price last confirmed 10 days ago
Retailer 2
-
€117 EUR
$131 USD
View
Price last confirmed 9 days ago
Retailer 3
-
€133 EUR
$149 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€148 EUR
HK$1,300 HKD
View
A
Retailer 5
-
€224 EUR
View
Retailer 6
-
€245 EUR
$275 USD
View
Price last confirmed 8 days ago
Retailer 7
-
€250 EUR
£221 GBP
View
Price last confirmed 7 days ago
B+
Retailer 8
-
€294 EUR
$330 USD
View
B+
Retailer 9
-
€295 EUR
$331 USD
View
Retailer 10
-
€307 EUR
£271 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
€336 EUR
$377 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
€346 EUR
SGD 524 SGD
View
B+
Retailer 13
-
€374 EUR
$420 USD
View
Retailer 14
-
€400 EUR
$449 USD
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG805672729 · Oct 21
€1,046 EUR
£924 GBP
View
Price last confirmed 12 days ago
14 more retailers have this diamond
Prices start from €148 EURSave up to €226 EUR

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
0.71ct Marquise
€148 EUR