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 $343 NZD
$193 USD
As of November 1, 2026
Save $2,862 NZD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,205 NZD 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 $343 to $3,205, a $2,862 spread on the same certified stone. Queensmith lists it at $3,205. 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 1
Current: $967 NZD|Low: $295 NZD|High: $1,968 NZD|Avg: $835 NZD|+11.9%
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 2, 2026
Retailer 21$307 NZD
Retailer 20$343 NZD
Retailer 13$357 NZD
Retailer 5$380 NZD
Retailer 6$380 NZD
Retailer 2$432 NZD
Retailer 8$515 NZD
Retailer 15$647 NZD
Retailer 18$658 NZD
Retailer 16$680 NZD
Retailer 3$707 NZD
Retailer 12$711 NZD
Retailer 7$825 NZD
Retailer 17$929 NZD
Retailer 1$967 NZD
Retailer 10$1,225 NZD
Retailer 14$1,251 NZD
Retailer 11$1,258 NZD
Retailer 4$1,322 NZD
Retailer 19$1,781 NZD
Retailer 9$1,968 NZD

32 data points across 21 retailers

22 retailers$343 NZD to $3,205 NZD

Retailer 1
-
$307 NZD
$173 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$343 NZD
$193 USD
View
Final sale: no returns
A
Retailer 3
-
$357 NZD
$201 USD
View
Retailer 4
-
$380 NZD
$214 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$380 NZD
$214 USD
View
A
Retailer 6
-
$432 NZD
HK$1,900 HKD
View
B+
Retailer 7
-
$515 NZD
$290 USD
View
A
Retailer 8
-
$647 NZD
£287 GBP
View
A
Retailer 9
-
$658 NZD
ZAR 5,978 ZAR
View
A
Retailer 10
-
$680 NZD
£301 GBP
View
A
Retailer 11
-
$707 NZD
$398 USD
View
A
Retailer 12
-
$711 NZD
€381 EUR
View
B+
Retailer 13
-
$825 NZD
$464 USD
View
B+
Retailer 14
-
$929 NZD
A$804 AUD
View
B+
Retailer 15
-
$967 NZD
$544 USD
View
Retailer 16
-
$1,225 NZD
$689 USD
View
Price last confirmed 16 days ago
B
Retailer 17
-
$1,251 NZD
SGD 951 SGD
View
B
Retailer 18
-
$1,258 NZD
$708 USD
View
B
Retailer 19
-
$1,322 NZD
$744 USD
View
B
Retailer 20
-
$1,781 NZD
£789 GBP
View
B
Retailer 21
-
$1,968 NZD
$1,107 USD
View
Most Expensive
B
Queensmith
LG749572328 · Oct 27
$3,205 NZD
£1,420 GBP
View
21 more retailers have this diamond
Prices start from $343 NZDSave up to $2,862 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.

A
1.23ct Round
$343 NZD