CaratHunter
Plans
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 $257 SGD
$201 USD
As of November 1, 2026
Save $1,236 SGD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,493 SGD 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 $257 to $1,493, a $1,236 spread on the same certified stone. MOH London lists it at $1,493. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,493 SGD|Low: $247 SGD|High: $1,519 SGD|Avg: $655 SGD|-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$257 SGD
Retailer 11$299 SGD
Retailer 7$320 SGD
Retailer 4$324 SGD
Retailer 3$538 SGD
Retailer 12$554 SGD
Retailer 2$584 SGD
Retailer 5$586 SGD
Retailer 10$654 SGD
Retailer 8$1,027 SGD
Retailer 9$1,030 SGD
MOH London$1,493 SGD

40 data points across 12 retailers

15 retailers$257 SGD to $1,493 SGD

A
Cheapest Retailer
-
$257 SGD
$201 USD
A
Retailer 2
-
$299 SGD
$234 USD
View
A
Retailer 3
-
$320 SGD
$250 USD
View
Retailer 4
-
$324 SGD
$253 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$538 SGD
€401 EUR
View
B+
Retailer 6
-
$554 SGD
$433 USD
View
B+
Retailer 7
-
$584 SGD
£360 GBP
View
A
Retailer 8
-
$586 SGD
£361 GBP
View
B+
Retailer 9
-
$625 SGD
$489 USD
View
B+
Retailer 10
-
$654 SGD
$511 USD
View
Retailer 11
-
$1,004 SGD
$785 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$1,027 SGD
$803 USD
View
B
Retailer 13
-
$1,030 SGD
$805 USD
View
B
Retailer 14
-
$1,292 SGD
$1,010 USD
View
Most Expensive
B
MOH London
LG754510367 · Nov 1
$1,493 SGD
£919 GBP
View
14 more retailers have this diamond
Prices start from $257 SGDSave up to $1,236 SGD

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
$257 SGD