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Round|Lab Grown|GIA

1.73ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 3475370229

Certificate GIA 3475370229

Diamond specifications and retailer prices

From $540 CAD
$386 USD
As of October 22, 2026
Save $2,190 CAD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,975 CAD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

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 3475370229. Listed at 16 retailers as of October 29, 2026, with a 405% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 3475370229
Dimensions7.68 × 7.65 × 4.78 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.68 mm7.65 mm1.73 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3475370229
Side View
Table 57.0%Crown 36°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 62.4%

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 22
Current: $3,975 CAD|Low: $540 CAD|High: $4,983 CAD|Avg: $1,615 CAD|-20.2%
Do Amore Diamonds
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 29, 2026
Retailer 13$540 CAD
Retailer 12$605 CAD
Retailer 7$628 CAD
Retailer 4$670 CAD
Retailer 11$670 CAD
Retailer 5$866 CAD
Retailer 10$875 CAD
Retailer 8$1,102 CAD
Retailer 2$1,105 CAD
Retailer 15$1,129 CAD
Retailer 6$1,421 CAD
Retailer 14$2,141 CAD
Retailer 3$2,377 CAD
Retailer 9$2,730 CAD
Do Amore Diamonds$3,975 CAD

44 data points across 15 retailers

16 retailers$540 CAD to $2,730 CAD

A
Cheapest Retailer
-
$540 CAD
$386 USD
A
Retailer 2
-
$540 CAD
$386 USD
View
A
Retailer 3
-
$605 CAD
$432 USD
View
A
Retailer 4
-
$628 CAD
$449 USD
View
Final sale: no returns
A
Retailer 5
-
$670 CAD
$479 USD
View
A
Retailer 6
-
$670 CAD
$479 USD
View
B+
Retailer 7
-
$866 CAD
$619 USD
View
A
Retailer 8
-
$875 CAD
$625 USD
View
B+
Retailer 9
-
$1,102 CAD
€750 EUR
View
B+
Retailer 10
-
$1,105 CAD
£622 GBP
View
B+
Retailer 11
-
$1,129 CAD
$807 USD
View
B
Retailer 12
-
$1,421 CAD
$1,015 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$2,141 CAD
$1,530 USD
View
B
Retailer 14
-
$2,377 CAD
$1,698 USD
View
B
Retailer 15
-
$2,730 CAD
£1,536 GBP
View
Most Expensive
B
Do Amore Diamonds
34-DB103-108 · Oct 28
$3,975 CAD
$2,840 USD
View
Price under review
15 more retailers have this diamond
Prices start from $540 CADSave up to $2,190 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
$540 CAD