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Radiant|Lab Grown|IGI

1.24ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG621415486

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

Certificate IGI LG621415486

Diamond specifications and retailer prices

From $358 NZD
As of November 4, 2026
Save $1,857 NZD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,215 NZD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1.24ct lab-grown radiant diamond

This 1.24ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621415486 or 621415486. Listed at 16 retailers as of November 4, 2026, with prices from $358 to $2,215, a $1,857 spread on the same certified stone. Taylor and Hart lists it at $2,215. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621415486
Dimensions7.50 × 5.35 × 3.52 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.50 mm5.35 mm1.24 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621415486
Side View
Table 63.0%Crown 39.9°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
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 4
Current: $961 NZD|Low: $256 NZD|High: $2,215 NZD|Avg: $1,071 NZD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 4, 2026
Retailer 12$358 NZD
Retailer 11$370 NZD
Retailer 6$683 NZD
Retailer 10$703 NZD
Retailer 8$733 NZD
Retailer 2$831 NZD
Retailer 1$961 NZD
Retailer 5$966 NZD
Retailer 4$1,046 NZD
Retailer 9$1,345 NZD
Retailer 3$1,695 NZD
Retailer 7$1,852 NZD
Taylor and Hart$2,215 NZD

25 data points across 13 retailers

16 retailers$358 NZD to $2,215 NZD

Retailer 1
-
$320 NZD
Price last confirmed 17 days ago
A
Retailer 2
-
$358 NZD
View
Final sale: no returns
Retailer 3
-
$370 NZD
View
Price last confirmed 16 days ago
Retailer 4
-
$397 NZD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$683 NZD
View
A
Retailer 6
-
$703 NZD
View
A
Retailer 7
-
$733 NZD
View
A
Retailer 8
-
$831 NZD
View
B+
Retailer 9
-
$961 NZD
View
A
Retailer 10
-
$966 NZD
View
B+
Retailer 11
-
$1,226 NZD
View
Retailer 12
-
$1,274 NZD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
$1,345 NZD
View
B
Retailer 14
-
$1,695 NZD
View
B
Retailer 15
-
$1,852 NZD
View
Most Expensive
B
Taylor and Hart
YLIORBZ · Nov 4
$2,215 NZD
$1,245 USD
View
15 more retailers have this diamond
Prices start from $358 NZDSave up to $1,857 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
1.24ct Radiant
$358 NZD