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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 $166 AUD
$116 USD
As of November 2, 2026
Save $1,554 AUD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,720 AUD 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 $166 to $1,720, a $1,554 spread on the same certified stone. MOH London lists it at $1,720. 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

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: $1,720 AUD|Low: $160 AUD|High: $1,740 AUD|Avg: $526 AUD|-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$166 AUD
Retailer 11$220 AUD
Retailer 12$220 AUD
Retailer 7$387 AUD
Retailer 3$402 AUD
Retailer 2$416 AUD
Retailer 8$428 AUD
Retailer 5$449 AUD
Retailer 4$541 AUD
Retailer 9$671 AUD
Retailer 6$738 AUD
MOH London$1,720 AUD

43 data points across 12 retailers

15 retailers$166 AUD to $1,720 AUD

Retailer 1
-
$160 AUD
$112 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$166 AUD
$116 USD
View
Retailer 3
-
$193 AUD
$135 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$218 AUD
$153 USD
View
Price last confirmed 35 days ago
B+
Retailer 5
-
$220 AUD
$154 USD
View
Retailer 6
-
$220 AUD
$154 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$402 AUD
$282 USD
View
B+
Retailer 8
-
$416 AUD
£230 GBP
View
B+
Retailer 9
-
$428 AUD
$300 USD
View
B+
Retailer 10
-
$449 AUD
£248 GBP
View
B
Retailer 11
-
$541 AUD
$379 USD
View
Retailer 12
-
$662 AUD
$464 USD
View
Price last confirmed 33 days ago
Retailer 13
-
$671 AUD
$470 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$738 AUD
$517 USD
View
Most Expensive
B
MOH London
LG691512355 · Nov 2
$1,720 AUD
£949 GBP
View
14 more retailers have this diamond
Prices start from $166 AUDSave up to $1,554 AUD

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
$166 AUD