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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 $357 NZD
$201 USD
As of November 1, 2026
Save $1,717 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,074 NZD 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 $357 to $2,074, a $1,717 spread on the same certified stone. MOH London lists it at $2,074. 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: $2,074 NZD|Low: $343 NZD|High: $2,110 NZD|Avg: $911 NZD|-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$357 NZD
Retailer 11$416 NZD
Retailer 7$444 NZD
Retailer 4$450 NZD
Retailer 3$748 NZD
Retailer 12$770 NZD
Retailer 2$812 NZD
Retailer 5$815 NZD
Retailer 10$908 NZD
Retailer 8$1,427 NZD
Retailer 9$1,431 NZD
MOH London$2,074 NZD

40 data points across 12 retailers

15 retailers$357 NZD to $2,074 NZD

A
Cheapest Retailer
-
$357 NZD
$201 USD
A
Retailer 2
-
$416 NZD
$234 USD
View
A
Retailer 3
-
$444 NZD
$250 USD
View
Retailer 4
-
$450 NZD
$253 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$748 NZD
€401 EUR
View
B+
Retailer 6
-
$770 NZD
$433 USD
View
B+
Retailer 7
-
$812 NZD
£360 GBP
View
A
Retailer 8
-
$815 NZD
£361 GBP
View
B+
Retailer 9
-
$869 NZD
$489 USD
View
B+
Retailer 10
-
$908 NZD
$511 USD
View
Retailer 11
-
$1,395 NZD
$785 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$1,427 NZD
$803 USD
View
B
Retailer 13
-
$1,431 NZD
$805 USD
View
B
Retailer 14
-
$1,795 NZD
$1,010 USD
View
Most Expensive
B
MOH London
LG754510367 · Nov 1
$2,074 NZD
£919 GBP
View
14 more retailers have this diamond
Prices start from $357 NZDSave up to $1,717 NZD

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
$357 NZD