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Radiant|Lab Grown|IGI

1.25ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG582367831

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

Certificate IGI LG582367831

Diamond specifications and retailer prices

From $429 NZD
As of November 4, 2026
Save $3,254 NZD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,682 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG582367831 or 582367831. Listed at 18 retailers as of November 4, 2026, with prices from $429 to $3,682, a $3,254 spread on the same certified stone. Do Amore Diamonds lists it at $3,682. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582367831
Dimensions7.69 × 5.22 × 3.58 mm
L/W Ratio1.47
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
7.69 mm5.22 mm1.25 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582367831
Side View
Table 68.0%Crown 40.4°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.6%

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: $3,914 NZD|Low: $283 NZD|High: $3,914 NZD|Avg: $1,358 NZD
Do Amore Diamonds
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
November 5, 2026
Retailer 5$283 NZD
Retailer 14$429 NZD
Retailer 12$475 NZD
Retailer 15$639 NZD
Retailer 13$667 NZD
Retailer 3$671 NZD
Retailer 9$904 NZD
Retailer 8$1,283 NZD
Retailer 7$1,402 NZD
Retailer 11$1,532 NZD
Retailer 6$2,062 NZD
Retailer 2$2,094 NZD
Retailer 10$2,117 NZD
Retailer 4$2,208 NZD
Do Amore Diamonds$3,914 NZD

20 data points across 15 retailers

18 retailers$429 NZD to $3,682 NZD

Retailer 1
-
$368 NZD
Price last confirmed 34 days ago
A
Retailer 2
-
$429 NZD
View
Final sale: no returns
Retailer 3
-
$445 NZD
View
Price last confirmed 39 days ago
Retailer 4
-
$475 NZD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
$639 NZD
View
A
Retailer 6
-
$667 NZD
View
A
Retailer 7
-
$671 NZD
View
A
Retailer 8
-
$904 NZD
View
B+
Retailer 9
-
$1,283 NZD
View
B
Retailer 10
-
$1,302 NZD
View
B
Retailer 11
-
$1,532 NZD
View
Retailer 12
-
$1,685 NZD
View
Price last confirmed 36 days ago
B
Retailer 13
-
$1,987 NZD
View
B
Retailer 14
-
$2,033 NZD
View
B
Retailer 15
-
$2,094 NZD
View
B
Retailer 16
-
$2,117 NZD
View
B
Retailer 17
-
$2,208 NZD
View
Most Expensive
B
Do Amore Diamonds
27-3E2549B34 · Nov 4
$3,682 NZD
$2,070 USD
View
17 more retailers have this diamond
Prices start from $429 NZDSave up to $3,254 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
1.25ct Radiant
$429 NZD