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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 HK$3,064 HKD
As of October 31, 2026
Save HK$2,892 HKD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$8,785 HKD 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

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: Oct 31
Current: HK$1,544 HKD|Low: HK$1,505 HKD|High: HK$8,785 HKD|Avg: HK$4,307 HKD|+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 1HK$1,544 HKD
Retailer 10HK$1,724 HKD
Retailer 6HK$2,916 HKD
Retailer 4HK$3,064 HKD
Retailer 11HK$3,064 HKD
Retailer 2HK$3,072 HKD
Retailer 8HK$4,115 HKD
Retailer 9HK$4,444 HKD
Retailer 5HK$5,016 HKD
Retailer 3HK$5,956 HKD
Retailer 7HK$8,088 HKD
Reve DiamondsHK$8,785 HKD

39 data points across 12 retailers

11 retailersHK$3,064 HKD to HK$5,956 HKD

Retailer 1
-
HK$1,724 HKD
Price last confirmed 13 days ago
Retailer 2
-
HK$2,916 HKD
View
Price last confirmed 9 days ago
Retailer 3
-
HK$3,064 HKD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$3,064 HKD
View
Retailer 5
-
HK$3,072 HKD
View
Price last confirmed 8 days ago
Retailer 6
-
HK$4,115 HKD
View
Price last confirmed 10 days ago
Retailer 7
-
HK$4,444 HKD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
HK$5,016 HKD
View
B
Retailer 9
-
HK$5,956 HKD
View
Retailer 10
-
HK$8,088 HKD
View
Price last confirmed 9 days ago
Most Expensive
Reve Diamonds
C418479B1 · Oct 30
HK$8,785 HKD
$1,121 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from HK$3,064 HKDSave up to HK$2,892 HKD

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
HK$3,064 HKD