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Round|Lab Grown|IGI

1.64ct F SI1 Round Lab Grown Diamond

VG • F/SI1 • IGI LG754510367

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754510367

Diamond specifications and retailer prices

From $287 AUD
$201 USD
As of November 1, 2026
Save $1,379 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,665 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.64ct lab-grown round diamond

This 1.64ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG754510367 or 754510367. Listed at 15 retailers as of November 1, 2026, with prices from $287 to $1,665, a $1,379 spread on the same certified stone. MOH London lists it at $1,665. 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

1.64
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510367
Dimensions7.46 × 7.41 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.41 mm1.64 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510367
Side View
Table 60.0%Crown 37.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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 1
Current: $1,665 AUD|Low: $275 AUD|High: $1,694 AUD|Avg: $731 AUD|-1.1%
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 3, 2026
Retailer 6$287 AUD
Retailer 11$334 AUD
Retailer 7$357 AUD
Retailer 4$361 AUD
Retailer 3$601 AUD
Retailer 12$618 AUD
Retailer 2$652 AUD
Retailer 5$654 AUD
Retailer 10$729 AUD
Retailer 8$1,146 AUD
Retailer 9$1,149 AUD
MOH London$1,665 AUD

40 data points across 12 retailers

15 retailers$287 AUD to $1,665 AUD

A
Cheapest Retailer
-
$287 AUD
$201 USD
A
Retailer 2
-
$334 AUD
$234 USD
View
A
Retailer 3
-
$357 AUD
$250 USD
View
Retailer 4
-
$361 AUD
$253 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$601 AUD
€401 EUR
View
B+
Retailer 6
-
$618 AUD
$433 USD
View
B+
Retailer 7
-
$652 AUD
£360 GBP
View
A
Retailer 8
-
$654 AUD
£361 GBP
View
B+
Retailer 9
-
$698 AUD
$489 USD
View
B+
Retailer 10
-
$729 AUD
$511 USD
View
Retailer 11
-
$1,120 AUD
$785 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$1,146 AUD
$803 USD
View
B
Retailer 13
-
$1,149 AUD
$805 USD
View
B
Retailer 14
-
$1,441 AUD
$1,010 USD
View
Most Expensive
B
MOH London
LG754510367 · Nov 1
$1,665 AUD
£919 GBP
View
14 more retailers have this diamond
Prices start from $287 AUDSave up to $1,379 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
1.64ct Round
$287 AUD