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Round|Lab Grown|GIA

1.09ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 7501197437

Certificate GIA 7501197437

Diamond specifications and retailer prices

From $262 CAD
$187 USD
As of October 27, 2026
Save $1,908 CAD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,169 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7501197437. Listed at 16 retailers as of October 27, 2026, with prices from $262 to $2,169, a $1,908 spread on the same certified stone. Do Amore Diamonds lists it at $2,169. 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

1.09
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 7501197437
Dimensions6.64 × 6.62 × 4.07 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Growth Remnant
Top View
6.64 mm6.62 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7501197437
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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 27
Current: $2,169 CAD|Low: $199 CAD|High: $2,746 CAD|Avg: $990 CAD|+14.0%
Do Amore Diamonds
Retailer 2
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Retailer 6
Retailer 7
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Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 20$262 CAD
Retailer 14$272 CAD
Retailer 4$280 CAD
Retailer 17$280 CAD
Retailer 18$388 CAD
Retailer 7$417 CAD
Retailer 8$553 CAD
Retailer 2$619 CAD
Retailer 3$728 CAD
Retailer 11$735 CAD
Retailer 9$896 CAD
Retailer 16$924 CAD
Retailer 5$950 CAD
Retailer 19$992 CAD
Retailer 6$1,184 CAD
Retailer 13$1,435 CAD
Retailer 15$1,450 CAD
Retailer 10$2,133 CAD
Do Amore Diamonds$2,169 CAD
Retailer 12$2,746 CAD

13 data points across 20 retailers

16 retailers$262 CAD to $2,169 CAD

A
Cheapest Retailer
-
$262 CAD
$187 USD
A
Retailer 2
-
$272 CAD
$194 USD
View
A
Retailer 3
-
$280 CAD
$200 USD
View
A
Retailer 4
-
$280 CAD
$200 USD
View
A
Retailer 5
-
$388 CAD
$277 USD
View
B+
Retailer 6
-
$417 CAD
$298 USD
View
B+
Retailer 7
-
$553 CAD
$395 USD
View
B+
Retailer 8
-
$619 CAD
£349 GBP
View
B+
Retailer 9
-
$728 CAD
$520 USD
View
B
Retailer 10
-
$924 CAD
$660 USD
View
B
Retailer 11
-
$950 CAD
$679 USD
View
B
Retailer 12
-
$992 CAD
$709 USD
View
B
Retailer 13
-
$1,184 CAD
$846 USD
View
B
Retailer 14
-
$1,435 CAD
$1,026 USD
View
B
Retailer 15
-
$1,450 CAD
£816 GBP
View
Most Expensive
B
Do Amore Diamonds
27-62661F2E0 · Oct 29
$2,169 CAD
$1,550 USD
View
15 more retailers have this diamond
Prices start from $262 CADSave up to $1,908 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
1.09ct Round
$262 CAD