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Radiant|Lab Grown|IGI

1.25ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG644485311

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

Certificate IGI LG644485311

Diamond specifications and retailer prices

From $416 NZD
$234 USD
As of October 30, 2026
Save $3,156 NZD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,572 NZD at Do Amore Diamonds · As of October 31, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644485311 or 644485311. Listed at 16 retailers as of October 30, 2026, with prices from $416 to $3,572, a $3,156 spread on the same certified stone. Do Amore Diamonds lists it at $3,572. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644485311
Dimensions7.65 × 5.31 × 3.57 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.65 mm5.31 mm1.25 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644485311
Side View
Table 64.0%Crown 45.3°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.2%

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: Oct 30
Current: $3,572 NZD|Low: $416 NZD|High: $3,572 NZD|Avg: $1,314 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 6$416 NZD
Retailer 17$432 NZD
Retailer 15$462 NZD
Retailer 13$682 NZD
Retailer 20$684 NZD
Retailer 10$733 NZD
Retailer 8$739 NZD
Retailer 3$796 NZD
Retailer 14$954 NZD
Retailer 9$1,008 NZD
Retailer 18$1,245 NZD
Retailer 12$1,270 NZD
Retailer 19$1,491 NZD
Retailer 11$1,571 NZD
Retailer 16$1,640 NZD
Retailer 5$1,946 NZD
Retailer 2$2,045 NZD
Retailer 7$2,168 NZD
Retailer 4$2,177 NZD
Do Amore Diamonds$3,572 NZD

20 data points across 20 retailers

16 retailers$416 NZD to $3,572 NZD

A
Cheapest Retailer
-
$416 NZD
$234 USD
Final sale: no returns
A
Retailer 2
-
$432 NZD
$243 USD
View
A
Retailer 3
-
$462 NZD
$260 USD
View
A
Retailer 4
-
$682 NZD
£302 GBP
View
A
Retailer 5
-
$684 NZD
$385 USD
View
A
Retailer 6
-
$796 NZD
$448 USD
View
B+
Retailer 7
-
$954 NZD
£423 GBP
View
B+
Retailer 8
-
$1,245 NZD
A$1,078 AUD
View
Retailer 9
-
$1,270 NZD
$715 USD
View
Price last confirmed 54 days ago
B
Retailer 10
-
$1,381 NZD
£612 GBP
View
B
Retailer 11
-
$1,491 NZD
$839 USD
View
B
Retailer 12
-
$1,640 NZD
$923 USD
View
B
Retailer 13
-
$1,946 NZD
$1,095 USD
View
B
Retailer 14
-
$2,045 NZD
£906 GBP
View
B
Retailer 15
-
$2,177 NZD
$1,225 USD
View
Most Expensive
B
Do Amore Diamonds
27-E3C7F57CD · Oct 31
$3,572 NZD
$2,010 USD
View
15 more retailers have this diamond
Prices start from $416 NZDSave up to $3,156 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
$416 NZD