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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 $501 SGD
As of October 31, 2026
Save $473 SGD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,437 SGD 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 11 retailers as of October 31, 2026, with a 94% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
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

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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: Oct 31
Current: $252 SGD|Low: $246 SGD|High: $1,437 SGD|Avg: $704 SGD|+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$252 SGD
Retailer 10$282 SGD
Retailer 6$477 SGD
Retailer 4$501 SGD
Retailer 11$501 SGD
Retailer 2$502 SGD
Retailer 8$673 SGD
Retailer 9$727 SGD
Retailer 5$820 SGD
Retailer 3$974 SGD
Retailer 7$1,323 SGD
Reve Diamonds$1,437 SGD

39 data points across 12 retailers

11 retailers$501 SGD to $974 SGD

Retailer 1
-
$282 SGD
Price last confirmed 13 days ago
Retailer 2
-
$477 SGD
View
Price last confirmed 9 days ago
Retailer 3
-
$501 SGD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$501 SGD
View
Retailer 5
-
$502 SGD
View
Price last confirmed 8 days ago
Retailer 6
-
$673 SGD
View
Price last confirmed 10 days ago
Retailer 7
-
$727 SGD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$820 SGD
View
B
Retailer 9
-
$974 SGD
View
Retailer 10
-
$1,323 SGD
View
Price last confirmed 9 days ago
Most Expensive
Reve Diamonds
C418479B1 · Oct 30
$1,437 SGD
$1,121 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $501 SGDSave up to $473 SGD

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
$501 SGD