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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 $515 USD
As of October 30, 2026
Save $852 USD (62%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,367 USD 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 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 October 29, 2026, with prices from $515 to $1,367, a $852 spread on the same certified stone. MOH London lists it at $1,367. 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
Color
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: Oct 30
Current: $1,367 USD|Low: $515 USD|High: $1,585 USD|Avg: $929 USD|-13.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$515 USD
Retailer 7$610 USD
Retailer 4$764 USD
Retailer 5$802 USD
Retailer 3$1,017 USD
Retailer 6$1,308 USD
MOH London$1,367 USD

10 data points across 7 retailers

2 retailers$515 USD to $1,367 USD

B+
Cheapest Retailer
-
$515 USD
Most Expensive
B+
MOH London
1507868965 · Oct 29
$1,367 USD
£1,076 GBP
View
1 more retailer has this diamond
Prices start from $515 USDSave up to $852 USD

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
$515 USD