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Cushion|Lab Grown|IGI

1.17ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG807682147

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG807682147

Diamond specifications and retailer prices

From €176 EUR
$197 USD
As of October 31, 2026
Save €827 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,003 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.17ct lab-grown cushion diamond

This 1.17ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG807682147 or 807682147. Listed at 12 retailers as of October 30, 2026, with prices from €176 to €1,003, a €827 spread on the same certified stone. Reve Diamonds lists it at €1,003. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.17
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807682147
Dimensions6.20 × 6.04 × 4.12 mm
L/W Ratio1.03
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
6.20 mm6.04 mm1.17 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807682147
Side View
Table 61.0%Crown 37.1°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
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: Oct 31
Current: €176 EUR|Low: €172 EUR|High: €1,003 EUR|Avg: €494 EUR|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 31, 2026
Retailer 1€176 EUR
Retailer 10€197 EUR
Retailer 6€334 EUR
Retailer 11€350 EUR
Retailer 4€350 EUR
Retailer 2€351 EUR
Retailer 8€470 EUR
Retailer 9€508 EUR
Retailer 5€573 EUR
Retailer 3€681 EUR
Retailer 7€924 EUR
Reve Diamonds€1,003 EUR

41 data points across 12 retailers

12 retailers€176 EUR to €1,003 EUR

A
Cheapest Retailer
-
€176 EUR
$197 USD
Final sale: no returns
Retailer 2
-
€197 EUR
$220 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
€334 EUR
View
A
Retailer 4
-
€350 EUR
$391 USD
View
A
Retailer 5
-
€350 EUR
£308 GBP
View
A
Retailer 6
-
€351 EUR
$392 USD
View
B+
Retailer 7
-
€470 EUR
$525 USD
View
Retailer 8
-
€508 EUR
$567 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
€573 EUR
$640 USD
View
B
Retailer 10
-
€681 EUR
$761 USD
View
B
Retailer 11
-
€924 EUR
£813 GBP
View
Most Expensive
B
Reve Diamonds
C418479B1 · Oct 30
€1,003 EUR
$1,121 USD
View
11 more retailers have this diamond
Prices start from €176 EURSave up to €827 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
1.17ct Cushion
€176 EUR