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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 $278 AUD
$195 USD
As of October 25, 2026
Save $1,415 AUD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,692 AUD 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 $278 to $1,692, a $1,415 spread on the same certified stone. MOH London lists it at $1,692. 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
Colour
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: $1,692 AUD|Low: $224 AUD|High: $1,734 AUD|Avg: $624 AUD|-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$224 AUD
Retailer 5$278 AUD
Retailer 6$339 AUD
Retailer 8$379 AUD
Retailer 10$420 AUD
Retailer 11$421 AUD
Retailer 2$692 AUD
Retailer 9$708 AUD
Retailer 7$790 AUD
Retailer 4$1,083 AUD
MOH London$1,692 AUD

21 data points across 11 retailers

11 retailers$278 AUD to $1,692 AUD

A
Cheapest Retailer
-
$278 AUD
$195 USD
A
Retailer 2
-
$339 AUD
$238 USD
View
A
Retailer 3
-
$379 AUD
$266 USD
View
Final sale: no returns
A
Retailer 4
-
$420 AUD
$295 USD
View
Retailer 5
-
$421 AUD
$296 USD
View
Price last confirmed 46 days ago
B+
Retailer 6
-
$692 AUD
€463 EUR
View
B+
Retailer 7
-
$708 AUD
$497 USD
View
B+
Retailer 8
-
$790 AUD
$555 USD
View
B
Retailer 9
-
$1,083 AUD
$761 USD
View
Retailer 10
-
$1,254 AUD
$881 USD
View
Price last confirmed 46 days ago
Most Expensive
B
MOH London
LG786625024 · Oct 29
$1,692 AUD
£936 GBP
View
10 more retailers have this diamond
Prices start from $278 AUDSave up to $1,415 AUD

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
$278 AUD