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 $281 USD
As of November 1, 2026
Save $1,613 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,894 USD at Helzberg Diamonds · As of November 1, 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 1, 2026, with prices from $281 to $1,894, a $1,613 spread on the same certified stone. Helzberg Diamonds lists it at $1,894. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,894 USD|Low: $281 USD|High: $1,894 USD|Avg: $812 USD
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 2, 2026
Retailer 5$281 USD
Retailer 3$297 USD
Retailer 2$314 USD
Retailer 7$502 USD
Retailer 10$513 USD
Retailer 9$557 USD
Retailer 12$565 USD
Retailer 16$724 USD
Retailer 13$782 USD
Retailer 4$877 USD
Retailer 6$1,006 USD
Retailer 8$1,105 USD
Retailer 11$1,190 USD
Retailer 15$1,325 USD
Retailer 14$1,650 USD
Helzberg Diamonds$1,894 USD

17 data points across 16 retailers

16 retailers$281 USD to $1,894 USD

A
Cheapest Retailer
-
$281 USD
Final sale: no returns
Retailer 2
-
$297 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$314 USD
£247 GBP
View
A
Retailer 4
-
$502 USD
View
A
Retailer 5
-
$513 USD
ZAR 8,281 ZAR
View
A
Retailer 6
-
$557 USD
£439 GBP
View
A
Retailer 7
-
$565 USD
€538 EUR
View
A
Retailer 8
-
$724 USD
A$1,114 AUD
View
A
Retailer 9
-
$782 USD
View
A
Retailer 10
-
$877 USD
View
A
Retailer 11
-
$1,006 USD
View
B+
Retailer 12
-
$1,105 USD
SGD 1,493 SGD
View
B+
Retailer 13
-
$1,190 USD
£937 GBP
View
B+
Retailer 14
-
$1,325 USD
View
B+
Retailer 15
-
$1,650 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKOJH · Nov 1
$1,894 USD
View
15 more retailers have this diamond
Prices start from $281 USDSave up to $1,613 USD

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
$281 USD