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 $1,966 NZD
As of November 5, 2026
Save $2,659 NZD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,338 NZD 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: $7,338 NZD|Low: $1,887 NZD|High: $7,415 NZD|Avg: $3,840 NZD|+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$1,966 NZD
Retailer 7$2,281 NZD
Retailer 9$2,281 NZD
Retailer 5$2,588 NZD
Retailer 2$3,019 NZD
Retailer 10$3,246 NZD
Retailer 8$3,627 NZD
Retailer 4$4,195 NZD
Retailer 11$4,625 NZD
Retailer 3$5,102 NZD
MOH London$7,338 NZD

27 data points across 11 retailers

11 retailers$1,966 NZD to $4,625 NZD

B+
Cheapest Retailer
-
$1,966 NZD
B+
Retailer 2
-
$2,138 NZD
View
B+
Retailer 3
-
$2,281 NZD
View
Retailer 4
-
$2,281 NZD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$2,588 NZD
View
B+
Retailer 6
-
$3,019 NZD
View
B
Retailer 7
-
$3,627 NZD
View
B
Retailer 8
-
$4,195 NZD
View
B
Retailer 9
-
$4,275 NZD
View
B
Retailer 10
-
$4,625 NZD
View
Most Expensive
MOH London
LG442067165 · Oct 25
$7,338 NZD
£3,248 GBP
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from $1,966 NZDSave up to $2,659 NZD

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
$1,966 NZD