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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG713560121

Shape and cutting style on the report: Round brilliant

Certificate IGI LG713560121

Diamond specifications and retailer prices

From $417 AUD
$293 USD
As of October 28, 2026
Save $1,563 AUD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,980 AUD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct 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 LG713560121 or 713560121. Listed at 21 retailers as of October 28, 2026, with prices from $417 to $1,980, a $1,563 spread on the same certified stone. Reve Diamonds lists it at $1,980. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG713560121
Dimensions6.99 × 6.96 × 4.32 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 mm6.96 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG713560121
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.0%

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 28
Current: $879 AUD|Low: $296 AUD|High: $1,980 AUD|Avg: $1,019 AUD|+6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 29, 2026
Retailer 2$417 AUD
Retailer 5$463 AUD
Retailer 4$690 AUD
Retailer 9$767 AUD
Retailer 1$879 AUD
Retailer 10$929 AUD
Retailer 8$1,035 AUD
Retailer 3$1,124 AUD
Retailer 7$1,419 AUD
Retailer 6$1,862 AUD
Reve Diamonds$1,980 AUD

34 data points across 11 retailers

21 retailers$417 AUD to $1,980 AUD

Retailer 1
-
$357 AUD
$251 USD
Price last confirmed 28 days ago
Retailer 2
-
$373 AUD
$262 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$373 AUD
$262 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$373 AUD
$262 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$417 AUD
$293 USD
View
Final sale: no returns
Retailer 6
-
$433 AUD
$304 USD
View
Price last confirmed 38 days ago
Retailer 7
-
$433 AUD
$304 USD
View
Price last confirmed 20 days ago
Retailer 8
-
$455 AUD
$320 USD
View
Price last confirmed 38 days ago
Retailer 9
-
$463 AUD
$325 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$690 AUD
$485 USD
View
A
Retailer 11
-
$767 AUD
$539 USD
View
A
Retailer 12
-
$879 AUD
£486 GBP
View
A
Retailer 13
-
$929 AUD
$653 USD
View
A
Retailer 14
-
$1,035 AUD
$727 USD
View
A
Retailer 15
-
$1,124 AUD
View
B+
Retailer 16
-
$1,419 AUD
$997 USD
View
B+
Retailer 17
-
$1,486 AUD
$1,044 USD
View
Retailer 18
-
$1,486 AUD
$1,044 USD
View
Price last confirmed 39 days ago
B+
Retailer 19
-
$1,558 AUD
$1,095 USD
View
B+
Retailer 20
-
$1,862 AUD
£1,030 GBP
View
Most Expensive
B
Reve Diamonds
CB6CF838C · Oct 28
$1,980 AUD
$1,391 USD
View
20 more retailers have this diamond
Prices start from $417 AUDSave up to $1,563 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
1.28ct Round
$417 AUD