Radiant|Lab Grown|IGI

1.26ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG829603851

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

Certificate IGI LG829603851

Diamond specifications and retailer prices

From $281 USD
As of November 1, 2026
Save $2,689 USD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,970 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.26ct lab-grown radiant diamond

This 1.26ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG829603851 or 829603851. Listed at 17 retailers as of October 31, 2026, with prices from $281 to $2,970, a $2,689 spread on the same certified stone. Brilliant Earth lists it at $2,970. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829603851
Dimensions7.46 × 5.27 × 3.55 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm5.27 mm1.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829603851
Side View
Table 64.0%Crown 41.5°Girdle: Slightly ThickPavilion 41.1°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $591 USD|Low: $281 USD|High: $1,605 USD|Avg: $790 USD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 2$281 USD
Retailer 11$320 USD
Retailer 16$418 USD
Retailer 6$470 USD
Retailer 9$536 USD
Retailer 12$573 USD
Retailer 1$591 USD
Retailer 15$639 USD
Retailer 8$759 USD
Retailer 7$825 USD
Retailer 13$955 USD
Retailer 3$1,050 USD
Retailer 14$1,088 USD
Retailer 4$1,216 USD
Retailer 10$1,245 USD
Retailer 5$1,581 USD

20 data points across 16 retailers

17 retailers$281 USD to $2,970 USD

A
Cheapest Retailer
-
$281 USD
Final sale: no returns
A
Retailer 2
-
$320 USD
£252 GBP
View
A
Retailer 3
-
$418 USD
View
A
Retailer 4
-
$470 USD
View
A
Retailer 5
-
$536 USD
ZAR 8,667 ZAR
View
A
Retailer 6
-
$573 USD
€546 EUR
View
A
Retailer 7
-
$591 USD
£466 GBP
View
A
Retailer 8
-
$639 USD
View
A
Retailer 9
-
$759 USD
A$1,168 AUD
View
B+
Retailer 10
-
$825 USD
View
B+
Retailer 11
-
$955 USD
View
B+
Retailer 12
-
$1,050 USD
View
B+
Retailer 13
-
$1,088 USD
View
B+
Retailer 14
-
$1,216 USD
A$1,870 AUD
View
B+
Retailer 15
-
$1,245 USD
£980 GBP
View
B+
Retailer 16
-
$1,581 USD
SGD 2,137 SGD
View
Most Expensive
B
Brilliant Earth
21324949A · Oct 31
$2,970 USD
View
16 more retailers have this diamond
Prices start from $281 USDSave up to $2,689 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
1.26ct Radiant
$281 USD