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Marquise|Lab Grown|IGI

0.65ct F SI1 Marquise Lab Grown Diamond

VG • F/SI1 • IGI LG691512355

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG691512355

Diamond specifications and retailer prices

From €103 EUR
$116 USD
As of November 2, 2026
Save €971 EUR (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,075 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 0.65ct lab-grown marquise diamond

This 0.65ct lab-grown marquise sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG691512355 or 691512355. Listed at 15 retailers as of November 2, 2026, with prices from €103 to €1,075, a €971 spread on the same certified stone. MOH London lists it at €1,075. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.65
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691512355
Dimensions9.48 × 4.36 × 2.80 mm
L/W Ratio2.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.48 mm4.36 mm0.65 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG691512355
Side View
Table 58.0%Crown 33.8°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 64.2%

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 2
Current: €1,075 EUR|Low: €100 EUR|High: €1,087 EUR|Avg: €328 EUR|-1.0%
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 2, 2026
Retailer 10€103 EUR
Retailer 11€137 EUR
Retailer 12€137 EUR
Retailer 7€242 EUR
Retailer 3€251 EUR
Retailer 2€260 EUR
Retailer 8€267 EUR
Retailer 5€280 EUR
Retailer 4€338 EUR
Retailer 9€419 EUR
Retailer 6€461 EUR
MOH London€1,075 EUR

43 data points across 12 retailers

15 retailers€103 EUR to €1,075 EUR

Retailer 1
-
€100 EUR
$112 USD
Price last confirmed 31 days ago
A
Retailer 2
-
€103 EUR
$116 USD
View
Retailer 3
-
€120 EUR
$135 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€136 EUR
$153 USD
View
Price last confirmed 35 days ago
B+
Retailer 5
-
€137 EUR
$154 USD
View
Retailer 6
-
€137 EUR
$154 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€251 EUR
$282 USD
View
B+
Retailer 8
-
€260 EUR
£230 GBP
View
B+
Retailer 9
-
€267 EUR
$300 USD
View
B+
Retailer 10
-
€280 EUR
£248 GBP
View
B
Retailer 11
-
€338 EUR
$379 USD
View
Retailer 12
-
€414 EUR
$464 USD
View
Price last confirmed 33 days ago
Retailer 13
-
€419 EUR
$470 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
€461 EUR
$517 USD
View
Most Expensive
B
MOH London
LG691512355 · Nov 2
€1,075 EUR
£949 GBP
View
14 more retailers have this diamond
Prices start from €103 EURSave up to €971 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
0.65ct Marquise
€103 EUR