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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 $116 USD
As of November 2, 2026
Save $1,089 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,205 USD at MOH London · As of November 1, 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 1, 2026, with prices from $116 to $1,205, a $1,089 spread on the same certified stone. MOH London lists it at $1,205. 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
Color
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

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: Nov 2
Current: $1,205 USD|Low: $112 USD|High: $1,219 USD|Avg: $368 USD|-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$116 USD
Retailer 11$154 USD
Retailer 12$154 USD
Retailer 7$271 USD
Retailer 3$282 USD
Retailer 2$292 USD
Retailer 8$300 USD
Retailer 5$314 USD
Retailer 4$379 USD
Retailer 9$470 USD
Retailer 6$517 USD
MOH London$1,205 USD

44 data points across 12 retailers

15 retailers$116 USD to $1,205 USD

Retailer 1
-
$112 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$116 USD
View
Retailer 3
-
$135 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$153 USD
View
Price last confirmed 34 days ago
B+
Retailer 5
-
$154 USD
View
Retailer 6
-
$154 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$282 USD
View
B+
Retailer 8
-
$292 USD
£230 GBP
View
B+
Retailer 9
-
$300 USD
View
B+
Retailer 10
-
$314 USD
£248 GBP
View
B
Retailer 11
-
$379 USD
View
Retailer 12
-
$464 USD
View
Price last confirmed 33 days ago
Retailer 13
-
$470 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$517 USD
View
Most Expensive
B
MOH London
LG691512355 · Nov 1
$1,205 USD
£949 GBP
View
14 more retailers have this diamond
Prices start from $116 USDSave up to $1,089 USD

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
$116 USD