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Radiant|Lab Grown|IGI

1.25ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG817647715

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

Certificate IGI LG817647715

Diamond specifications and retailer prices

From $485 NZD
$273 USD
As of October 31, 2026
Save $1,661 NZD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,147 NZD at MOH London · As of November 2, 2026
View at MOH London

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817647715 or 817647715. Listed at 15 retailers as of October 31, 2026, with prices from $485 to $2,147, a $1,661 spread on the same certified stone. MOH London lists it at $2,147. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817647715
Dimensions8.24 × 5.16 × 3.45 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm5.16 mm1.25 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817647715
Side View
Table 70.0%Crown 43°Girdle: ThickPavilion 34.1°Culet: NoneDepth 66.9%

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 31
Current: $2,147 NZD|Low: $485 NZD|High: $2,217 NZD|Avg: $1,282 NZD|-3.2%
MOH London
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
November 3, 2026
Retailer 3$485 NZD
Retailer 15$503 NZD
Retailer 13$725 NZD
Retailer 8$826 NZD
Retailer 11$855 NZD
Retailer 12$929 NZD
Retailer 2$1,016 NZD
Retailer 14$1,098 NZD
Retailer 7$1,323 NZD
Retailer 5$1,475 NZD
Retailer 10$1,729 NZD
Retailer 4$1,736 NZD
Retailer 16$1,821 NZD
Retailer 9$1,870 NZD
Retailer 6$1,919 NZD
MOH London$2,147 NZD

21 data points across 16 retailers

15 retailers$485 NZD to $2,147 NZD

A
Cheapest Retailer
-
$485 NZD
$273 USD
Final sale: no returns
A
Retailer 2
-
$503 NZD
$283 USD
View
A
Retailer 3
-
$725 NZD
$408 USD
View
A
Retailer 4
-
$855 NZD
€458 EUR
View
A
Retailer 5
-
$929 NZD
ZAR 8,443 ZAR
View
A
Retailer 6
-
$1,016 NZD
£450 GBP
View
A
Retailer 7
-
$1,098 NZD
$618 USD
View
A
Retailer 8
-
$1,323 NZD
A$1,145 AUD
View
B+
Retailer 9
-
$1,475 NZD
$830 USD
View
B+
Retailer 10
-
$1,729 NZD
$973 USD
View
B+
Retailer 11
-
$1,736 NZD
SGD 1,320 SGD
View
B+
Retailer 12
-
$1,821 NZD
$1,025 USD
View
B+
Retailer 13
-
$1,870 NZD
$1,052 USD
View
B+
Retailer 14
-
$1,919 NZD
A$1,661 AUD
View
Most Expensive
B+
MOH London
LG817647715 · Nov 2
$2,147 NZD
£951 GBP
View
14 more retailers have this diamond
Prices start from $485 NZDSave up to $1,661 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
$485 NZD