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Round|Lab Grown|IGI

1.27ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG828680442

Shape and cutting style on the report: Round brilliant

Certificate IGI LG828680442

Diamond specifications and retailer prices

From $528 AUD
HK$2,900 HKD
As of October 29, 2026
Save $2,973 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,502 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 LG828680442 or 828680442. Listed at 14 retailers as of October 29, 2026, with prices from $528 to $3,502, a $2,973 spread on the same certified stone. Brilliant Earth lists it at $3,502. 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 angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828680442
Dimensions6.97 × 6.92 × 4.28 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
6.97 mm6.92 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828680442
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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 29
Current: $3,502 AUD|Low: $528 AUD|High: $3,502 AUD|Avg: $1,298 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
October 28, 2026
Retailer 3$528 AUD
Retailer 11$638 AUD
Retailer 9$747 AUD
Retailer 2$772 AUD
Retailer 6$850 AUD
Retailer 13$994 AUD
Retailer 12$1,016 AUD
Retailer 7$1,415 AUD
Retailer 4$1,519 AUD
Retailer 5$1,668 AUD
Retailer 10$1,737 AUD
Retailer 8$1,804 AUD
Brilliant Earth$3,502 AUD

29 data points across 13 retailers

14 retailers$528 AUD to $3,502 AUD

A
Cheapest Retailer
-
$528 AUD
HK$2,900 HKD
A
Retailer 2
-
$638 AUD
$448 USD
View
A
Retailer 3
-
$747 AUD
€500 EUR
View
A
Retailer 4
-
$772 AUD
ZAR 8,767 ZAR
View
A
Retailer 5
-
$850 AUD
£470 GBP
View
A
Retailer 6
-
$994 AUD
$699 USD
View
A
Retailer 7
-
$1,016 AUD
$714 USD
View
B+
Retailer 8
-
$1,415 AUD
View
B+
Retailer 9
-
$1,519 AUD
$1,067 USD
View
B+
Retailer 10
-
$1,623 AUD
$1,140 USD
View
B+
Retailer 11
-
$1,668 AUD
$1,172 USD
View
Retailer 12
-
$1,737 AUD
$1,220 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$1,804 AUD
£998 GBP
View
Most Expensive
B
Brilliant Earth
21582004A · Oct 29
$3,502 AUD
$2,460 USD
View
13 more retailers have this diamond
Prices start from $528 AUDSave up to $2,973 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
$528 AUD