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 $274 USD
As of October 30, 2026
Save $950 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,224 USD at MOH London · As of October 29, 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 29, 2026, with prices from $274 to $1,224, a $950 spread on the same certified stone. MOH London lists it at $1,224. 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
Color
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

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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: Oct 30
Current: $1,224 USD|Low: $274 USD|High: $1,270 USD|Avg: $754 USD|-3.6%
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
October 30, 2026
Retailer 14$274 USD
Retailer 7$465 USD
Retailer 5$487 USD
Retailer 2$511 USD
Retailer 4$518 USD
Retailer 8$577 USD
Retailer 3$621 USD
Retailer 15$744 USD
Retailer 10$830 USD
Retailer 13$983 USD
Retailer 6$988 USD
Retailer 11$1,029 USD
Retailer 9$1,061 USD
Retailer 12$1,080 USD
MOH London$1,224 USD

25 data points across 15 retailers

15 retailers$274 USD to $1,224 USD

A
Cheapest Retailer
-
$274 USD
Final sale: no returns
Retailer 2
-
$465 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$487 USD
€464 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$511 USD
View
Retailer 5
-
$518 USD
ZAR 8,365 ZAR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$577 USD
£454 GBP
View
A
Retailer 7
-
$621 USD
View
A
Retailer 8
-
$744 USD
A$1,145 AUD
View
B+
Retailer 9
-
$830 USD
View
B+
Retailer 10
-
$983 USD
SGD 1,328 SGD
View
B+
Retailer 11
-
$988 USD
View
B+
Retailer 12
-
$1,029 USD
View
B+
Retailer 13
-
$1,061 USD
View
B+
Retailer 14
-
$1,080 USD
A$1,661 AUD
View
Most Expensive
B+
MOH London
LG817647715 · Oct 29
$1,224 USD
£964 GBP
View
14 more retailers have this diamond
Prices start from $274 USDSave up to $950 USD

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
$274 USD