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Round|Lab Grown|IGI

1.64ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG12279308

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12279308

Diamond specifications and retailer prices

From $603 CAD
$432 USD
As of October 30, 2026
Save $3,783 CAD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,386 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12279308 or 12279308. Listed at 11 retailers as of October 29, 2026, with prices from $603 to $4,386, a $3,783 spread on the same certified stone. Do Amore Diamonds lists it at $4,386. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.64
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12279308
Dimensions7.59 × 7.61 × 4.64 mm
L/W Ratio1.00
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.59 mm7.61 mm1.64 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12279308
Side View
Table 59.5%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

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: Oct 30
Current: $4,386 CAD|Low: $603 CAD|High: $4,386 CAD|Avg: $1,572 CAD|+0.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$603 CAD
Retailer 8$756 CAD
Retailer 9$824 CAD
Retailer 11$1,058 CAD
Retailer 4$1,093 CAD
Retailer 3$1,186 CAD
Retailer 2$1,257 CAD
Retailer 7$1,794 CAD
Retailer 10$1,851 CAD
Retailer 6$2,642 CAD
Do Amore Diamonds$4,386 CAD

10 data points across 11 retailers

11 retailers$603 CAD to $4,386 CAD

B+
Cheapest Retailer
-
$603 CAD
$432 USD
A
Retailer 2
-
$756 CAD
$541 USD
View
A
Retailer 3
-
$824 CAD
$590 USD
View
A
Retailer 4
-
$1,058 CAD
$758 USD
View
A
Retailer 5
-
$1,093 CAD
£616 GBP
View
A
Retailer 6
-
$1,186 CAD
$849 USD
View
A
Retailer 7
-
$1,257 CAD
$900 USD
View
A
Retailer 8
-
$1,794 CAD
$1,284 USD
View
A
Retailer 9
-
$1,851 CAD
$1,325 USD
View
B+
Retailer 10
-
$2,642 CAD
£1,489 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DBBFF0559 · Oct 29
$4,386 CAD
$3,140 USD
View
10 more retailers have this diamond
Prices start from $603 CADSave up to $3,783 CAD

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
$603 CAD