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Round|Lab Grown|IGI

1.26ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG617450327

Shape and cutting style on the report: Round brilliant

Certificate IGI LG617450327

Diamond specifications and retailer prices

From $340 AUD
$239 USD
As of October 29, 2026
Save $1,538 AUD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,878 AUD at Reve Diamonds · As of October 25, 2026
View at Reve 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 LG617450327 or 617450327. Listed at 18 retailers as of October 25, 2026, with prices from $340 to $1,878, a $1,538 spread on the same certified stone. Reve Diamonds lists it at $1,878. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617450327
Dimensions6.99 × 6.95 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.99 mm6.95 mm1.26 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617450327
Side View
Table 58.0%Crown 33.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A+
Exceptional
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: $795 AUD|Low: $340 AUD|High: $1,714 AUD|Avg: $745 AUD|+5.5%
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
October 29, 2026
Retailer 7$340 AUD
Retailer 4$380 AUD
Retailer 13$396 AUD
Retailer 9$423 AUD
Retailer 14$423 AUD
Retailer 8$686 AUD
Retailer 5$710 AUD
Retailer 2$714 AUD
Retailer 6$766 AUD
Retailer 1$795 AUD
Retailer 11$1,038 AUD
Retailer 12$1,358 AUD
Retailer 3$1,362 AUD
Retailer 10$1,696 AUD

38 data points across 14 retailers

18 retailers$340 AUD to $1,878 AUD

A+
Cheapest Retailer
-
$340 AUD
$239 USD
A
Retailer 2
-
$380 AUD
$267 USD
View
Final sale: no returns
A
Retailer 3
-
$396 AUD
$278 USD
View
A
Retailer 4
-
$423 AUD
$297 USD
View
A
Retailer 5
-
$423 AUD
$297 USD
View
A
Retailer 6
-
$686 AUD
£379 GBP
View
A
Retailer 7
-
$710 AUD
$499 USD
View
A
Retailer 8
-
$714 AUD
ZAR 8,109 ZAR
View
A
Retailer 9
-
$766 AUD
$538 USD
View
A
Retailer 10
-
$766 AUD
$538 USD
View
A
Retailer 11
-
$795 AUD
£440 GBP
View
A
Retailer 12
-
$995 AUD
$699 USD
View
A
Retailer 13
-
$1,038 AUD
View
B+
Retailer 14
-
$1,358 AUD
$954 USD
View
B+
Retailer 15
-
$1,362 AUD
$957 USD
View
B+
Retailer 16
-
$1,432 AUD
$1,006 USD
View
B+
Retailer 17
-
$1,696 AUD
£938 GBP
View
Most Expensive
B+
Reve Diamonds
7C29F2D2E · Oct 25
$1,878 AUD
$1,319 USD
View
17 more retailers have this diamond
Prices start from $340 AUDSave up to $1,538 AUD

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
$340 AUD