CaratHunter
Plans
Round|Lab Grown|IGI

1.23ct K VS1 Round Lab Grown Diamond

EX • K/VS1 • IGI LG442067165

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442067165

Diamond specifications and retailer prices

From $1,578 AUD
As of November 5, 2026
Save $2,136 AUD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,893 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG442067165 or 442067165. Listed at 11 retailers as of November 4, 2026, with a 135% 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
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067165
Dimensions6.93 × 6.94 × 4.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
6.93 mm6.94 mm1.23 ctK / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442067165
Side View
Table 58.5%Crown 32.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.8%

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 5
Current: $5,893 AUD|Low: $1,516 AUD|High: $5,954 AUD|Avg: $3,084 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$1,578 AUD
Retailer 7$1,831 AUD
Retailer 9$1,831 AUD
Retailer 5$2,078 AUD
Retailer 2$2,424 AUD
Retailer 10$2,607 AUD
Retailer 8$2,913 AUD
Retailer 4$3,368 AUD
Retailer 11$3,714 AUD
Retailer 3$4,097 AUD
MOH London$5,893 AUD

27 data points across 11 retailers

11 retailers$1,578 AUD to $3,714 AUD

B+
Cheapest Retailer
-
$1,578 AUD
B+
Retailer 2
-
$1,717 AUD
View
B+
Retailer 3
-
$1,831 AUD
View
Retailer 4
-
$1,831 AUD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$2,078 AUD
View
B+
Retailer 6
-
$2,424 AUD
View
B
Retailer 7
-
$2,913 AUD
View
B
Retailer 8
-
$3,368 AUD
View
B
Retailer 9
-
$3,433 AUD
View
B
Retailer 10
-
$3,714 AUD
View
Most Expensive
MOH London
LG442067165 · Oct 25
$5,893 AUD
£3,248 GBP
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from $1,578 AUDSave up to $2,136 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 Round
$1,578 AUD