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Round|Lab Grown|IGI

1.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG811647452

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647452

Diamond specifications and retailer prices

From $526 USD
As of November 4, 2026
Save $2,054 USD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,580 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round 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 LG811647452 or 811647452. Listed at 24 retailers as of November 4, 2026, with prices from $526 to $2,580, a $2,054 spread on the same certified stone. Brilliant Earth lists it at $2,580. 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 angle33.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647452
Dimensions6.95 × 6.98 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.95 mm6.98 mm1.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647452
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.8%

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: Nov 4
Current: $2,580 USD|Low: $451 USD|High: $2,580 USD|Avg: $1,166 USD
Brilliant Earth
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
November 6, 2026
Retailer 4$470 USD
Retailer 5$583 USD
Retailer 10$725 USD
Retailer 6$782 USD
Retailer 3$912 USD
Retailer 7$919 USD
Retailer 2$954 USD
Retailer 12$1,005 USD
Retailer 14$1,322 USD
Retailer 9$1,330 USD
Retailer 11$1,370 USD
Retailer 8$1,425 USD
Retailer 13$2,142 USD
Brilliant Earth$2,580 USD

35 data points across 14 retailers

24 retailers$526 USD to $2,580 USD

Retailer 1
-
$470 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$526 USD
View
Final sale: no returns
Retailer 3
-
$527 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$583 USD
View
Price last confirmed 26 days ago
Retailer 5
-
$583 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
$725 USD
View
A
Retailer 7
-
$782 USD
View
B+
Retailer 8
-
$808 USD
View
B+
Retailer 9
-
$838 USD
View
Retailer 10
-
$912 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$919 USD
View
B+
Retailer 12
-
$954 USD
View
B+
Retailer 13
-
$1,005 USD
View
B+
Retailer 14
-
$1,322 USD
View
B+
Retailer 15
-
$1,330 USD
View
B+
Retailer 16
-
$1,370 USD
View
B
Retailer 17
-
$1,425 USD
View
B
Retailer 18
-
$1,849 USD
View
Retailer 19
-
$1,874 USD
View
Price last confirmed 37 days ago
B
Retailer 20
-
$1,904 USD
View
B
Retailer 21
-
$2,055 USD
View
B
Retailer 22
-
$2,142 USD
View
B
Retailer 23
-
$2,580 USD
View
Most Expensive
B
Brilliant Earth
21241869A · Nov 5
$2,580 USD
View
23 more retailers have this diamond
Prices start from $526 USDSave up to $2,054 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 Round
$526 USD