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Cushion|Lab Grown|IGI

0.73ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG788668916

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG788668916

Diamond specifications and retailer prices

From $291 AUD
As of November 4, 2026
Save $876 AUD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,328 AUD at Flawless Fine Jewelry · As of October 16, 2026
View at Flawless Fine Jewelry

About this 0.73ct lab-grown cushion diamond

This 0.73ct lab-grown cushion sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788668916 or 788668916. Listed at 13 retailers as of November 4, 2026, with a 300% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788668916
Dimensions5.04 × 4.97 × 3.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.04 mm4.97 mm0.73 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG788668916
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,328 AUD|Low: $291 AUD|High: $1,328 AUD|Avg: $651 AUD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 4, 2026
Retailer 5$291 AUD
Retailer 13$347 AUD
Retailer 12$357 AUD
Retailer 10$430 AUD
Retailer 3$449 AUD
Retailer 8$466 AUD
Retailer 4$587 AUD
Retailer 11$600 AUD
Retailer 9$643 AUD
Retailer 14$691 AUD
Retailer 6$774 AUD
Retailer 7$884 AUD
Retailer 2$1,167 AUD
Flawless Fine Jewelry$1,328 AUD

29 data points across 14 retailers

13 retailers$291 AUD to $1,167 AUD

A
Cheapest Retailer
-
$291 AUD
A
Retailer 2
-
$347 AUD
View
Retailer 3
-
$357 AUD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$430 AUD
View
Retailer 5
-
$449 AUD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$466 AUD
View
Retailer 7
-
$587 AUD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$600 AUD
View
B+
Retailer 9
-
$643 AUD
View
B+
Retailer 10
-
$691 AUD
View
B
Retailer 11
-
$884 AUD
View
B
Retailer 12
-
$1,167 AUD
View
Most Expensive
Flawless Fine Jewelry
CCAD9B55D · Oct 16
$1,328 AUD
£732 GBP
View
Price last confirmed 20 days ago
12 more retailers have this diamond
Prices start from $291 AUDSave up to $876 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
0.73ct Cushion
$291 AUD