CaratHunter
Plans
Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG749572328

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749572328

Diamond specifications and retailer prices

From $275 AUD
$193 USD
As of November 3, 2026
Save $2,298 AUD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,573 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749572328 or 749572328. Listed at 22 retailers as of October 27, 2026, with prices from $275 to $2,573, a $2,298 spread on the same certified stone. Queensmith lists it at $2,573. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749572328
Dimensions6.91 × 6.98 × 4.18 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
6.91 mm6.98 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749572328
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.3%

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 3
Current: $540 AUD|Low: $237 AUD|High: $1,580 AUD|Avg: $671 AUD|-10.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 3, 2026
Retailer 21$247 AUD
Retailer 20$275 AUD
Retailer 13$287 AUD
Retailer 5$305 AUD
Retailer 6$305 AUD
Retailer 2$347 AUD
Retailer 8$414 AUD
Retailer 16$519 AUD
Retailer 18$528 AUD
Retailer 1$540 AUD
Retailer 3$568 AUD
Retailer 15$571 AUD
Retailer 7$662 AUD
Retailer 17$746 AUD
Retailer 12$776 AUD
Retailer 10$983 AUD
Retailer 14$1,004 AUD
Retailer 11$1,010 AUD
Retailer 4$1,061 AUD
Retailer 19$1,430 AUD
Retailer 9$1,580 AUD

33 data points across 21 retailers

22 retailers$275 AUD to $2,573 AUD

Retailer 1
-
$247 AUD
$173 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$275 AUD
$193 USD
View
Final sale: no returns
A
Retailer 3
-
$287 AUD
$201 USD
View
Retailer 4
-
$305 AUD
$214 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$305 AUD
$214 USD
View
A
Retailer 6
-
$347 AUD
HK$1,900 HKD
View
B+
Retailer 7
-
$414 AUD
$290 USD
View
A
Retailer 8
-
$519 AUD
£287 GBP
View
A
Retailer 9
-
$528 AUD
ZAR 5,978 ZAR
View
A
Retailer 10
-
$540 AUD
£298 GBP
View
A
Retailer 11
-
$568 AUD
$398 USD
View
A
Retailer 12
-
$571 AUD
€381 EUR
View
B+
Retailer 13
-
$662 AUD
$464 USD
View
B+
Retailer 14
-
$746 AUD
View
B+
Retailer 15
-
$776 AUD
$544 USD
View
B+
Retailer 16
-
$983 AUD
$689 USD
View
B
Retailer 17
-
$1,004 AUD
SGD 951 SGD
View
B
Retailer 18
-
$1,010 AUD
$708 USD
View
B
Retailer 19
-
$1,061 AUD
$744 USD
View
B
Retailer 20
-
$1,430 AUD
£789 GBP
View
B
Retailer 21
-
$1,580 AUD
$1,107 USD
View
Most Expensive
B
Queensmith
LG749572328 · Oct 27
$2,573 AUD
£1,420 GBP
View
21 more retailers have this diamond
Prices start from $275 AUDSave up to $2,298 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
1.23ct Round
$275 AUD