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Cushion|Lab Grown|IGI

1.23ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG763666423

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG763666423

Diamond specifications and retailer prices

From $979 AUD
As of November 4, 2026
Save $1,940 AUD (66%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,025 AUD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG763666423 or 763666423. Listed at 14 retailers as of October 31, 2026, with a 198% 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

1.23
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763666423
Dimensions7.73 × 5.44 × 3.46 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeLong Faceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.73 mm5.44 mm1.23 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763666423
Side View
Table 55.0%Crown 38.4°Girdle: STK-THKPavilion 39.3°Culet: LONDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,463 AUD|Low: $979 AUD|High: $7,769 AUD|Avg: $2,685 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 4, 2026
Retailer 4$979 AUD
Retailer 10$1,085 AUD
Retailer 3$1,269 AUD
Retailer 5$1,434 AUD
Retailer 1$1,463 AUD
Retailer 12$1,473 AUD
Retailer 6$1,776 AUD
Retailer 7$2,058 AUD
Retailer 8$2,919 AUD
Retailer 11$3,475 AUD
Retailer 2$3,557 AUD
Taylor and Hart$4,025 AUD
Retailer 9$4,745 AUD
Retailer 13$7,769 AUD

35 data points across 14 retailers

14 retailers$979 AUD to $2,919 AUD

B+
Cheapest Retailer
-
$979 AUD
Final sale: no returns
Retailer 2
-
$1,085 AUD
View
Price last confirmed 19 days ago
B
Retailer 3
-
$1,269 AUD
View
B
Retailer 4
-
$1,434 AUD
View
B
Retailer 5
-
$1,463 AUD
View
B
Retailer 6
-
$1,473 AUD
View
B
Retailer 7
-
$1,776 AUD
View
B
Retailer 8
-
$2,058 AUD
View
B
Retailer 9
-
$2,919 AUD
View
Retailer 10
-
$3,475 AUD
View
Price under review
Retailer 11
-
$3,557 AUD
View
Price under review
Most Expensive
Taylor and Hart
AF9W3YP · Nov 4
$4,025 AUD
$2,824 USD
View
Price under review
11 more retailers have this diamond
Prices start from $979 AUDSave up to $1,940 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.

B+
1.23ct Cushion
$979 AUD