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Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG756582503

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG756582503

Diamond specifications and retailer prices

From $448 NZD
As of November 2, 2026
Save $1,968 NZD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,396 NZD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG756582503 or 756582503. Listed at 23 retailers as of November 1, 2026, with a 439% 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
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756582503
Dimensions7.58 × 5.38 × 3.55 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.58 mm5.38 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756582503
Side View
Table 60.0%Crown 42.9°Girdle: MediumPavilion 35°Culet: NoneDepth 66.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,396 NZD|Low: $436 NZD|High: $3,396 NZD|Avg: $1,307 NZD
Brilliant Earth
Retailer 2
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Retailer 23
November 4, 2026
Retailer 23$448 NZD
Retailer 8$500 NZD
Retailer 21$519 NZD
Retailer 7$555 NZD
Retailer 16$558 NZD
Retailer 15$613 NZD
Retailer 3$747 NZD
Retailer 14$845 NZD
Retailer 19$958 NZD
Retailer 18$994 NZD
Retailer 22$1,005 NZD
Retailer 2$1,045 NZD
Retailer 5$1,092 NZD
Retailer 13$1,360 NZD
Retailer 17$1,410 NZD
Retailer 9$1,716 NZD
Retailer 11$1,785 NZD
Retailer 10$1,787 NZD
Retailer 6$1,876 NZD
Retailer 12$1,974 NZD
Retailer 20$2,223 NZD
Retailer 4$2,416 NZD
Brilliant Earth$3,396 NZD

36 data points across 23 retailers

23 retailers$448 NZD to $2,416 NZD

A
Cheapest Retailer
-
$448 NZD
A
Retailer 2
-
$500 NZD
View
Final sale: no returns
A
Retailer 3
-
$519 NZD
View
A
Retailer 4
-
$555 NZD
View
Retailer 5
-
$558 NZD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$613 NZD
View
A
Retailer 7
-
$747 NZD
View
A
Retailer 8
-
$845 NZD
View
A
Retailer 9
-
$958 NZD
View
B+
Retailer 10
-
$994 NZD
View
B+
Retailer 11
-
$1,005 NZD
View
B+
Retailer 12
-
$1,045 NZD
View
B+
Retailer 13
-
$1,092 NZD
View
B+
Retailer 14
-
$1,360 NZD
View
B+
Retailer 15
-
$1,410 NZD
View
B+
Retailer 16
-
$1,716 NZD
View
B
Retailer 17
-
$1,785 NZD
View
B
Retailer 18
-
$1,787 NZD
View
B
Retailer 19
-
$1,876 NZD
View
Retailer 20
-
$1,974 NZD
View
Price last confirmed 17 days ago
B
Retailer 21
-
$2,223 NZD
View
B
Retailer 22
-
$2,416 NZD
View
Most Expensive
Brilliant Earth
17287792A · Oct 16
$3,396 NZD
$1,910 USD
View
Price last confirmed 18 days ago
22 more retailers have this diamond
Prices start from $448 NZDSave up to $1,968 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 Radiant
$448 NZD