Round|Lab Grown|IGI

1.72ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG488143432

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488143432

Diamond specifications and retailer prices

From $1,409 AUD
$990 USD
As of October 30, 2026
Save $5,738 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,147 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488143432 or 488143432. Listed at 10 retailers as of October 29, 2026, with prices from $1,409 to $7,147, a $5,738 spread on the same certified stone. MOH London lists it at $7,147. 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

1.72
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488143432
Dimensions7.61 × 7.57 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.61 mm7.57 mm1.72 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488143432
Side View
Table 59.5%Crown 36.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.9%

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 30
Current: $7,147 AUD|Low: $1,409 AUD|High: $7,205 AUD|Avg: $3,535 AUD|-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
October 30, 2026
Retailer 2$1,409 AUD
Retailer 6$2,145 AUD
Retailer 9$2,335 AUD
Retailer 11$2,403 AUD
Retailer 7$2,490 AUD
Retailer 3$2,760 AUD
Retailer 12$3,378 AUD
Retailer 8$3,922 AUD
Retailer 5$4,402 AUD
Retailer 10$4,667 AUD
Retailer 4$5,573 AUD
MOH London$7,147 AUD

18 data points across 12 retailers

10 retailers$1,409 AUD to $7,147 AUD

A
Cheapest Retailer
-
$1,409 AUD
$990 USD
B+
Retailer 2
-
$2,145 AUD
$1,507 USD
View
B+
Retailer 3
-
$2,335 AUD
$1,640 USD
View
B+
Retailer 4
-
$2,403 AUD
$1,688 USD
View
Final sale: no returns
Retailer 5
-
$2,490 AUD
$1,749 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,490 AUD
$1,749 USD
View
B
Retailer 7
-
$3,922 AUD
$2,755 USD
View
B
Retailer 8
-
$4,402 AUD
$3,092 USD
View
B
Retailer 9
-
$4,667 AUD
$3,278 USD
View
Most Expensive
B
MOH London
LG488143432 · Oct 29
$7,147 AUD
£3,953 GBP
View
9 more retailers have this diamond
Prices start from $1,409 AUDSave up to $5,738 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
1.72ct Round
$1,409 AUD