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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 €364 EUR
$407 USD
As of October 29, 2026
Save €1,409 EUR (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,773 EUR 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 €364 to €1,773, a €1,409 spread on the same certified stone. MOH London lists it at €1,773. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €1,773 EUR|Low: €349 EUR|High: €1,785 EUR|Avg: €780 EUR|+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 31, 2026
Retailer 13€364 EUR
Retailer 3€407 EUR
Retailer 5€407 EUR
Retailer 7€451 EUR
Retailer 15€451 EUR
Retailer 10€582 EUR
Retailer 12€607 EUR
Retailer 9€674 EUR
Retailer 4€676 EUR
Retailer 2€691 EUR
Retailer 11€909 EUR
Retailer 8€1,020 EUR
Retailer 14€1,378 EUR
Retailer 6€1,451 EUR
MOH London€1,773 EUR

43 data points across 15 retailers

16 retailers€364 EUR to €1,773 EUR

A
Cheapest Retailer
-
€364 EUR
$407 USD
A
Retailer 2
-
€407 EUR
$455 USD
View
Final sale: no returns
A
Retailer 3
-
€407 EUR
$455 USD
View
A
Retailer 4
-
€451 EUR
$504 USD
View
A
Retailer 5
-
€451 EUR
$504 USD
View
B+
Retailer 6
-
€582 EUR
$650 USD
View
B+
Retailer 7
-
€607 EUR
$678 USD
View
B+
Retailer 8
-
€637 EUR
$712 USD
View
B+
Retailer 9
-
€674 EUR
£593 GBP
View
B+
Retailer 10
-
€676 EUR
$755 USD
View
B+
Retailer 11
-
€691 EUR
View
Retailer 12
-
€909 EUR
$1,015 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
€1,020 EUR
$1,140 USD
View
B
Retailer 14
-
€1,378 EUR
$1,540 USD
View
B
Retailer 15
-
€1,451 EUR
$1,621 USD
View
Most Expensive
B
MOH London
6455007454 · Oct 29
€1,773 EUR
£1,560 GBP
View
15 more retailers have this diamond
Prices start from €364 EURSave up to €1,409 EUR

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
€364 EUR