Round|Lab Grown|IGI

1.26ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG822631603

Shape and cutting style on the report: Round brilliant

Certificate IGI LG822631603

Diamond specifications and retailer prices

From $190 USD
As of October 29, 2026
Save $1,698 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,888 USD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG822631603 or 822631603. Listed at 19 retailers as of October 29, 2026, with prices from $190 to $1,888, a $1,698 spread on the same certified stone. Helzberg Diamonds lists it at $1,888. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822631603
Dimensions6.96 × 6.99 × 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
6.96 mm6.99 mm1.26 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG822631603
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
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 29
Current: $1,888 USD|Low: $190 USD|High: $1,888 USD|Avg: $711 USD
Helzberg Diamonds
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
October 30, 2026
Retailer 12$190 USD
Retailer 8$255 USD
Retailer 5$282 USD
Retailer 14$382 USD
Retailer 2$413 USD
Retailer 9$427 USD
Retailer 13$474 USD
Retailer 3$485 USD
Retailer 10$682 USD
Retailer 4$689 USD
Retailer 16$811 USD
Retailer 15$843 USD
Retailer 11$883 USD
Retailer 7$911 USD
Retailer 6$1,133 USD
Helzberg Diamonds$1,888 USD

12 data points across 16 retailers

19 retailers$190 USD to $1,888 USD

A
Cheapest Retailer
-
$190 USD
A
Retailer 2
-
$255 USD
View
Final sale: no returns
A
Retailer 3
-
$282 USD
View
A
Retailer 4
-
$382 USD
£301 GBP
View
A
Retailer 5
-
$413 USD
View
A
Retailer 6
-
$427 USD
£336 GBP
View
A
Retailer 7
-
$474 USD
€451 EUR
View
A
Retailer 8
-
$485 USD
ZAR 7,838 ZAR
View
A
Retailer 9
-
$682 USD
View
A
Retailer 10
-
$689 USD
A$1,060 AUD
View
A
Retailer 11
-
$811 USD
View
B+
Retailer 12
-
$843 USD
SGD 1,139 SGD
View
B+
Retailer 13
-
$883 USD
View
B+
Retailer 14
-
$911 USD
View
B+
Retailer 15
-
$1,133 USD
£892 GBP
View
B+
Retailer 16
-
$1,215 USD
View
B+
Retailer 17
-
$1,215 USD
View
B
Retailer 18
-
$1,640 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOIIMJHMGJ · Oct 30
$1,888 USD
View
18 more retailers have this diamond
Prices start from $190 USDSave up to $1,698 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
$190 USD