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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 $201 USD
As of November 1, 2026
Save $966 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,167 USD 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 14 retailers as of November 1, 2026, with prices from $201 to $1,167, a $966 spread on the same certified stone. MOH London lists it at $1,167. 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
Color
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: $1,167 USD|Low: $193 USD|High: $1,187 USD|Avg: $513 USD|-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 2, 2026
Retailer 6$201 USD
Retailer 11$234 USD
Retailer 7$250 USD
Retailer 4$253 USD
Retailer 3$421 USD
Retailer 12$433 USD
Retailer 5$453 USD
Retailer 2$458 USD
Retailer 10$511 USD
Retailer 8$803 USD
Retailer 9$805 USD
MOH London$1,167 USD

39 data points across 12 retailers

14 retailers$201 USD to $1,167 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$234 USD
View
A
Retailer 3
-
$250 USD
View
Retailer 4
-
$253 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$421 USD
€401 EUR
View
B+
Retailer 6
-
$433 USD
View
B+
Retailer 7
-
$453 USD
£357 GBP
View
A
Retailer 8
-
$458 USD
£361 GBP
View
B+
Retailer 9
-
$489 USD
View
B+
Retailer 10
-
$511 USD
View
B
Retailer 11
-
$803 USD
View
B
Retailer 12
-
$805 USD
View
B
Retailer 13
-
$1,010 USD
View
Most Expensive
B
MOH London
LG754510367 · Nov 1
$1,167 USD
£919 GBP
View
13 more retailers have this diamond
Prices start from $201 USDSave up to $966 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
1.64ct Round
$201 USD