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Round|Lab Grown|GIA

1.73ct I SI1 Round Lab Grown Diamond

VG • I/SI1 • GIA 1507868965

Certificate GIA 1507868965

Diamond specifications and retailer prices

From €459 EUR
$515 USD
As of November 1, 2026
Save €752 EUR (62%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,212 EUR at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 1507868965. Listed at 2 retailers as of November 1, 2026, with prices from €459 to €1,212, a €752 spread on the same certified stone. MOH London lists it at €1,212. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.73
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 1507868965
Dimensions7.60 × 7.65 × 4.72 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.60 mm7.65 mm1.73 ctI / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1507868965
Side View
Table 58.0%Crown 32.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,212 EUR|Low: €459 EUR|High: €1,413 EUR|Avg: €827 EUR|-14.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2€459 EUR
Retailer 7€544 EUR
Retailer 4€681 EUR
Retailer 5€715 EUR
Retailer 3€907 EUR
Retailer 6€1,166 EUR
MOH London€1,212 EUR

11 data points across 7 retailers

2 retailers€459 EUR to €1,212 EUR

B+
Cheapest Retailer
-
€459 EUR
$515 USD
Most Expensive
B+
MOH London
1507868965 · Nov 1
€1,212 EUR
£1,070 GBP
View
1 more retailer has this diamond
Prices start from €459 EURSave up to €752 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.

B+
1.73ct Round
€459 EUR