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Round|Lab Grown|GIA

1.73ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6455007454

Certificate GIA 6455007454

Diamond specifications and retailer prices

From $570 CAD
$407 USD
As of October 29, 2026
Save $2,203 CAD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,773 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6455007454. Listed at 16 retailers as of October 29, 2026, with prices from $570 to $2,773, a $2,203 spread on the same certified stone. MOH London lists it at $2,773. 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

1.73
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6455007454
Dimensions7.70 × 7.66 × 4.74 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.70 mm7.66 mm1.73 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6455007454
Side View
Table 58.0%Crown 34.5°Girdle: NUL-NULPavilion 40.8°Culet: NoneDepth 61.7%

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: Oct 29
Current: $2,773 CAD|Low: $546 CAD|High: $2,791 CAD|Avg: $1,200 CAD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 13$570 CAD
Retailer 3$637 CAD
Retailer 5$637 CAD
Retailer 7$705 CAD
Retailer 15$705 CAD
Retailer 9$910 CAD
Retailer 12$949 CAD
Retailer 2$1,055 CAD
Retailer 4$1,057 CAD
Retailer 8$1,083 CAD
Retailer 11$1,421 CAD
Retailer 10$1,695 CAD
Retailer 14$2,155 CAD
Retailer 6$2,269 CAD
MOH London$2,773 CAD

44 data points across 15 retailers

16 retailers$570 CAD to $2,773 CAD

A
Cheapest Retailer
-
$570 CAD
$407 USD
A
Retailer 2
-
$637 CAD
$455 USD
View
Final sale: no returns
A
Retailer 3
-
$637 CAD
$455 USD
View
A
Retailer 4
-
$705 CAD
$504 USD
View
A
Retailer 5
-
$705 CAD
$504 USD
View
B+
Retailer 6
-
$910 CAD
$650 USD
View
B+
Retailer 7
-
$949 CAD
$678 USD
View
B+
Retailer 8
-
$997 CAD
$712 USD
View
B+
Retailer 9
-
$1,055 CAD
£593 GBP
View
B+
Retailer 10
-
$1,057 CAD
$755 USD
View
B+
Retailer 11
-
$1,083 CAD
€737 EUR
View
Retailer 12
-
$1,421 CAD
$1,015 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$1,695 CAD
$1,211 USD
View
B
Retailer 14
-
$2,155 CAD
$1,540 USD
View
B
Retailer 15
-
$2,269 CAD
$1,621 USD
View
Most Expensive
B
MOH London
6455007454 · Oct 29
$2,773 CAD
£1,560 GBP
View
15 more retailers have this diamond
Prices start from $570 CADSave up to $2,203 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
1.73ct Round
$570 CAD