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Round|Lab Grown|IGI

1.27ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG791606946

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791606946

Diamond specifications and retailer prices

From $310 AUD
$218 USD
As of October 28, 2026
Save $2,038 AUD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,349 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.27ct lab-grown round diamond

This 1.27ct 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 LG791606946 or 791606946. Listed at 23 retailers as of October 28, 2026, with prices from $310 to $2,349, a $2,038 spread on the same certified stone. Brilliant Earth lists it at $2,349. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791606946
Dimensions6.99 × 6.97 × 4.25 mm
L/W Ratio1.00
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 mm6.97 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791606946
Side View
Table 56.0%Crown 33.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,349 AUD|Low: $221 AUD|High: $2,420 AUD|Avg: $1,044 AUD|-2.9%
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
Retailer 15
October 29, 2026
Retailer 4$310 AUD
Retailer 15$487 AUD
Retailer 8$587 AUD
Retailer 10$593 AUD
Retailer 2$627 AUD
Retailer 5$732 AUD
Retailer 3$804 AUD
Retailer 11$842 AUD
Retailer 14$988 AUD
Retailer 13$1,113 AUD
Retailer 6$1,186 AUD
Retailer 12$1,616 AUD
Retailer 7$1,679 AUD
Retailer 9$1,729 AUD
Brilliant Earth$2,349 AUD

37 data points across 15 retailers

23 retailers$310 AUD to $2,349 AUD

Retailer 1
-
$279 AUD
$196 USD
Price last confirmed 37 days ago
Retailer 2
-
$279 AUD
$196 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$310 AUD
$218 USD
View
Final sale: no returns
Retailer 4
-
$323 AUD
$227 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$340 AUD
$239 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$346 AUD
$243 USD
View
Price last confirmed 17 days ago
Retailer 7
-
$346 AUD
$243 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$487 AUD
$342 USD
View
A
Retailer 9
-
$587 AUD
€393 EUR
View
A
Retailer 10
-
$593 AUD
ZAR 6,730 ZAR
View
A
Retailer 11
-
$627 AUD
£347 GBP
View
A
Retailer 12
-
$732 AUD
$514 USD
View
A
Retailer 13
-
$804 AUD
$565 USD
View
A
Retailer 14
-
$842 AUD
View
A
Retailer 15
-
$988 AUD
$694 USD
View
Retailer 16
-
$1,110 AUD
$780 USD
View
Price last confirmed 30 days ago
Retailer 17
-
$1,110 AUD
$780 USD
View
Price last confirmed 33 days ago
A
Retailer 18
-
$1,113 AUD
$782 USD
View
B+
Retailer 19
-
$1,186 AUD
$833 USD
View
B+
Retailer 20
-
$1,616 AUD
£894 GBP
View
B+
Retailer 21
-
$1,679 AUD
$1,180 USD
View
B+
Retailer 22
-
$1,729 AUD
$1,215 USD
View
Most Expensive
B
Brilliant Earth
18984913A · Oct 29
$2,349 AUD
$1,650 USD
View
22 more retailers have this diamond
Prices start from $310 AUDSave up to $2,038 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
1.27ct Round
$310 AUD