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Round|Lab Grown|IGI

1.61ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG551274402

Shape and cutting style on the report: Round brilliant

Certificate IGI LG551274402

Diamond specifications and retailer prices

From $436 CAD
$312 USD
As of November 3, 2026
Save $3,016 CAD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,452 CAD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.61ct lab-grown round diamond

This 1.61ct 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 top-tier cut grade and certified by IGI LG551274402 or 551274402. Listed at 17 retailers as of November 2, 2026, with prices from $436 to $3,452, a $3,016 spread on the same certified stone. Do Amore Diamonds lists it at $3,452. 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

1.61
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551274402
Dimensions7.47 × 7.43 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.47 mm7.43 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551274402
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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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 3
Current: $945 CAD|Low: $344 CAD|High: $2,162 CAD|Avg: $939 CAD|+5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9$436 CAD
Retailer 8$482 CAD
Retailer 2$539 CAD
Retailer 6$706 CAD
Retailer 7$798 CAD
Retailer 10$854 CAD
Retailer 1$945 CAD
Retailer 4$1,097 CAD
Retailer 5$1,483 CAD
Retailer 3$2,135 CAD

41 data points across 10 retailers

17 retailers$436 CAD to $3,452 CAD

Retailer 1
-
$373 CAD
$267 USD
Price last confirmed 32 days ago
Retailer 2
-
$390 CAD
$279 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$436 CAD
$312 USD
View
Final sale: no returns
Retailer 4
-
$451 CAD
$323 USD
View
Price last confirmed 41 days ago
Retailer 5
-
$477 CAD
$341 USD
View
Price last confirmed 42 days ago
Retailer 6
-
$482 CAD
$345 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
$539 CAD
$386 USD
View
A
Retailer 8
-
$706 CAD
$505 USD
View
B+
Retailer 9
-
$798 CAD
$571 USD
View
B+
Retailer 10
-
$854 CAD
$611 USD
View
B+
Retailer 11
-
$945 CAD
£533 GBP
View
Retailer 12
-
$1,097 CAD
$785 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$1,483 CAD
$1,061 USD
View
Retailer 14
-
$1,713 CAD
$1,226 USD
View
Price last confirmed 43 days ago
Retailer 15
-
$1,713 CAD
$1,226 USD
View
Price last confirmed 26 days ago
B
Retailer 16
-
$2,135 CAD
£1,203 GBP
View
Most Expensive
B
Do Amore Diamonds
27-ED0C343CA · Nov 2
$3,452 CAD
$2,470 USD
View
16 more retailers have this diamond
Prices start from $436 CADSave up to $3,016 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
1.61ct Round
$436 CAD