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Round|Lab Grown|IGI

1.73ct D I1 Round Lab Grown Diamond

EX • D/I1 • IGI LG786625024

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786625024

Diamond specifications and retailer prices

From $195 USD
As of October 25, 2026
Save $994 USD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,189 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 D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG786625024 or 786625024. Listed at 11 retailers as of October 25, 2026, with prices from $195 to $1,189, a $994 spread on the same certified stone. MOH London lists it at $1,189. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786625024
Dimensions7.69 × 7.66 × 4.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.69 mm7.66 mm1.73 ctD / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786625024
Side View
Table 57.0%Crown 35.6°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 62.0%

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 25
Current: $1,189 USD|Low: $158 USD|High: $1,218 USD|Avg: $438 USD|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3$158 USD
Retailer 5$195 USD
Retailer 6$238 USD
Retailer 8$266 USD
Retailer 10$295 USD
Retailer 11$296 USD
Retailer 2$486 USD
Retailer 9$497 USD
Retailer 7$555 USD
Retailer 4$761 USD
MOH London$1,189 USD

22 data points across 11 retailers

11 retailers$195 USD to $1,189 USD

A
Cheapest Retailer
-
$195 USD
A
Retailer 2
-
$238 USD
View
A
Retailer 3
-
$266 USD
View
Final sale: no returns
A
Retailer 4
-
$295 USD
View
Retailer 5
-
$296 USD
View
Price last confirmed 45 days ago
B+
Retailer 6
-
$486 USD
€463 EUR
View
B+
Retailer 7
-
$497 USD
View
B+
Retailer 8
-
$555 USD
View
B
Retailer 9
-
$761 USD
View
Retailer 10
-
$881 USD
View
Price last confirmed 45 days ago
Most Expensive
B
MOH London
LG786625024 · Oct 29
$1,189 USD
£936 GBP
View
10 more retailers have this diamond
Prices start from $195 USDSave up to $994 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.

A
1.73ct Round
$195 USD