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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 €252 EUR
$281 USD
As of November 1, 2026
Save €1,444 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,695 EUR 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 €252 to €1,695, a €1,444 spread on the same certified stone. Helzberg Diamonds lists it at €1,695. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,695 EUR|Low: €252 EUR|High: €1,695 EUR|Avg: €727 EUR
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€252 EUR
Retailer 3€266 EUR
Retailer 2€281 EUR
Retailer 7€449 EUR
Retailer 10€459 EUR
Retailer 9€499 EUR
Retailer 12€506 EUR
Retailer 16€648 EUR
Retailer 13€700 EUR
Retailer 4€785 EUR
Retailer 6€901 EUR
Retailer 8€989 EUR
Retailer 11€1,065 EUR
Retailer 15€1,186 EUR
Retailer 14€1,477 EUR
Helzberg Diamonds€1,695 EUR

17 data points across 16 retailers

16 retailers€252 EUR to €1,695 EUR

A
Cheapest Retailer
-
€252 EUR
$281 USD
Final sale: no returns
Retailer 2
-
€266 EUR
$297 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
€281 EUR
£247 GBP
View
A
Retailer 4
-
€449 EUR
$502 USD
View
A
Retailer 5
-
€459 EUR
ZAR 8,281 ZAR
View
A
Retailer 6
-
€499 EUR
£439 GBP
View
A
Retailer 7
-
€506 EUR
View
A
Retailer 8
-
€648 EUR
A$1,114 AUD
View
A
Retailer 9
-
€700 EUR
$782 USD
View
A
Retailer 10
-
€785 EUR
$877 USD
View
A
Retailer 11
-
€901 EUR
$1,006 USD
View
B+
Retailer 12
-
€989 EUR
SGD 1,493 SGD
View
B+
Retailer 13
-
€1,065 EUR
£937 GBP
View
B+
Retailer 14
-
€1,186 EUR
$1,325 USD
View
B+
Retailer 15
-
€1,477 EUR
$1,650 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKOJH · Nov 1
€1,695 EUR
$1,894 USD
View
15 more retailers have this diamond
Prices start from €252 EURSave up to €1,444 EUR

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
€252 EUR