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Cushion|Lab Grown|IGI

1.27ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG840634831

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840634831

Diamond specifications and retailer prices

From $401 AUD
As of November 4, 2026
Save $2,304 AUD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,706 AUD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.27ct lab-grown cushion diamond

This 1.27ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634831 or 840634831. Listed at 16 retailers as of November 4, 2026, with prices from $401 to $2,706, a $2,304 spread on the same certified stone. Helzberg Diamonds lists it at $2,706. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634831
Dimensions7.85 × 5.39 × 3.69 mm
L/W Ratio1.46
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
7.85 mm5.39 mm1.27 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634831
Side View
Table 64.0%Crown 36.7°Girdle: STK-THKPavilion 35.3°Culet: NoneDepth 68.5%

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: Nov 4
Current: $2,706 AUD|Low: $401 AUD|High: $2,706 AUD|Avg: $1,168 AUD
Helzberg Diamonds
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
November 5, 2026
Retailer 6$401 AUD
Retailer 4$424 AUD
Retailer 2$444 AUD
Retailer 8$717 AUD
Retailer 15$731 AUD
Retailer 10$794 AUD
Retailer 12$806 AUD
Retailer 13$1,039 AUD
Retailer 14$1,070 AUD
Retailer 5$1,253 AUD
Retailer 7$1,437 AUD
Retailer 9$1,453 AUD
Retailer 11$1,694 AUD
Retailer 3$1,893 AUD
Retailer 16$2,357 AUD
Helzberg Diamonds$2,706 AUD

20 data points across 16 retailers

16 retailers$401 AUD to $2,706 AUD

A
Cheapest Retailer
-
$401 AUD
Final sale: no returns
Retailer 2
-
$424 AUD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$444 AUD
View
A
Retailer 4
-
$717 AUD
View
A
Retailer 5
-
$731 AUD
View
A
Retailer 6
-
$794 AUD
View
A
Retailer 7
-
$806 AUD
View
A
Retailer 8
-
$1,039 AUD
View
A
Retailer 9
-
$1,070 AUD
View
A
Retailer 10
-
$1,253 AUD
View
A
Retailer 11
-
$1,437 AUD
View
A
Retailer 12
-
$1,453 AUD
View
B+
Retailer 13
-
$1,694 AUD
View
B+
Retailer 14
-
$1,893 AUD
View
B+
Retailer 15
-
$2,357 AUD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKOJH · Nov 4
$2,706 AUD
$1,894 USD
View
15 more retailers have this diamond
Prices start from $401 AUDSave up to $2,304 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 Cushion
$401 AUD