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Round|Lab Grown|IGI

1.28ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836619949

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836619949

Diamond specifications and retailer prices

From $384 AUD
$270 USD
As of October 29, 2026
Save $2,221 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,605 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619949 or 836619949. Listed at 19 retailers as of October 29, 2026, with prices from $384 to $2,605, a $2,221 spread on the same certified stone. Brilliant Earth lists it at $2,605. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619949
Dimensions6.93 × 6.98 × 4.30 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
6.93 mm6.98 mm1.28 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619949
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $2,605 AUD|Low: $379 AUD|High: $2,605 AUD|Avg: $1,120 AUD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 7$384 AUD
Retailer 8$431 AUD
Retailer 3$446 AUD
Retailer 4$477 AUD
Retailer 10$477 AUD
Retailer 15$705 AUD
Retailer 13$785 AUD
Retailer 5$790 AUD
Retailer 14$819 AUD
Retailer 2$833 AUD
Retailer 6$1,038 AUD
Retailer 19$1,465 AUD
Retailer 18$1,532 AUD
Retailer 11$1,533 AUD
Retailer 9$1,606 AUD
Retailer 17$1,681 AUD
Retailer 12$1,922 AUD
Retailer 16$2,270 AUD
Brilliant Earth$2,605 AUD

37 data points across 19 retailers

19 retailers$384 AUD to $2,605 AUD

A+
Cheapest Retailer
-
$384 AUD
$270 USD
A
Retailer 2
-
$431 AUD
$303 USD
View
Final sale: no returns
A
Retailer 3
-
$446 AUD
$313 USD
View
A
Retailer 4
-
$477 AUD
$335 USD
View
A
Retailer 5
-
$477 AUD
$335 USD
View
A
Retailer 6
-
$705 AUD
$495 USD
View
A
Retailer 7
-
$785 AUD
€525 EUR
View
A
Retailer 8
-
$790 AUD
$555 USD
View
A
Retailer 9
-
$819 AUD
ZAR 9,301 ZAR
View
A
Retailer 10
-
$833 AUD
£461 GBP
View
A
Retailer 11
-
$1,038 AUD
$729 USD
View
B+
Retailer 12
-
$1,465 AUD
$1,029 USD
View
B+
Retailer 13
-
$1,532 AUD
SGD 1,454 SGD
View
B+
Retailer 14
-
$1,533 AUD
$1,077 USD
View
B+
Retailer 15
-
$1,606 AUD
$1,128 USD
View
B+
Retailer 16
-
$1,681 AUD
$1,181 USD
View
B+
Retailer 17
-
$1,922 AUD
£1,063 GBP
View
B+
Retailer 18
-
$2,270 AUD
$1,595 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21589441A · Oct 29
$2,605 AUD
$1,830 USD
View
18 more retailers have this diamond
Prices start from $384 AUDSave up to $2,221 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
$384 AUD