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Round|Lab Grown|IGI

1.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG836618543

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836618543

Diamond specifications and retailer prices

From $248 USD
As of November 5, 2026
Save $1,312 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,560 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 LG836618543 or 836618543. Listed at 19 retailers as of November 5, 2026, with prices from $248 to $1,560, a $1,312 spread on the same certified stone. Brilliant Earth lists it at $1,560. 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 angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836618543
Dimensions6.90 × 6.95 × 4.23 mm
L/W Ratio1.01
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
6.90 mm6.95 mm1.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836618543
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 5
Current: $1,560 USD|Low: $248 USD|High: $1,790 USD|Avg: $711 USD|-12.8%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 12
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Retailer 19
November 6, 2026
Retailer 17$248 USD
Retailer 3$277 USD
Retailer 9$287 USD
Retailer 8$307 USD
Retailer 4$432 USD
Retailer 12$484 USD
Retailer 18$510 USD
Retailer 15$530 USD
Retailer 2$576 USD
Retailer 19$622 USD
Retailer 10$674 USD
Retailer 14$752 USD
Retailer 6$760 USD
Retailer 16$766 USD
Retailer 7$987 USD
Retailer 11$1,039 USD
Retailer 13$1,228 USD
Retailer 5$1,345 USD
Brilliant Earth$1,560 USD

12 data points across 19 retailers

19 retailers$248 USD to $1,560 USD

A
Cheapest Retailer
-
$248 USD
A
Retailer 2
-
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$287 USD
View
A
Retailer 4
-
$307 USD
View
A
Retailer 5
-
$432 USD
View
A
Retailer 6
-
$484 USD
View
Retailer 7
-
$510 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$530 USD
View
A
Retailer 9
-
$576 USD
View
A
Retailer 10
-
$622 USD
View
A
Retailer 11
-
$674 USD
View
A
Retailer 12
-
$752 USD
View
A
Retailer 13
-
$760 USD
View
A
Retailer 14
-
$766 USD
View
B+
Retailer 15
-
$987 USD
View
B+
Retailer 16
-
$1,039 USD
View
B+
Retailer 17
-
$1,228 USD
View
B
Retailer 18
-
$1,345 USD
View
Most Expensive
B+
Brilliant Earth
22318951A · Nov 5
$1,560 USD
View
18 more retailers have this diamond
Prices start from $248 USDSave up to $1,312 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
$248 USD