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Cushion|Lab Grown|IGI

1.05ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG689561794

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689561794

Diamond specifications and retailer prices

From HK$1,528 HKD
As of November 6, 2026
Save HK$7,195 HKD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$8,724 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689561794 or 689561794. Listed at 13 retailers as of November 6, 2026, with prices from HK$1,528 to HK$8,724, a HK$7,195 spread on the same certified stone. Reve Diamonds lists it at HK$8,724. 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

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561794
Dimensions7.05 × 5.48 × 3.60 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
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
7.05 mm5.48 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561794
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 65.7%

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: Nov 6
Current: HK$3,253 HKD|Low: HK$1,513 HKD|High: HK$8,724 HKD|Avg: HK$4,295 HKD|+9.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 6, 2026
Retailer 12HK$1,528 HKD
Retailer 9HK$2,751 HKD
Retailer 5HK$3,002 HKD
Retailer 11HK$3,025 HKD
Retailer 4HK$3,143 HKD
Retailer 1HK$3,253 HKD
Retailer 10HK$3,597 HKD
Retailer 8HK$4,232 HKD
Retailer 7HK$4,507 HKD
Retailer 3HK$4,781 HKD
Retailer 2HK$5,886 HKD
Retailer 6HK$7,916 HKD
Reve DiamondsHK$8,724 HKD

43 data points across 13 retailers

13 retailersHK$1,528 HKD to HK$8,724 HKD

A
Cheapest Retailer
-
HK$1,528 HKD
Final sale: no returns
A
Retailer 2
-
HK$2,751 HKD
View
A
Retailer 3
-
HK$3,002 HKD
View
A
Retailer 4
-
HK$3,025 HKD
View
B+
Retailer 5
-
HK$3,253 HKD
View
B+
Retailer 6
-
HK$3,597 HKD
View
B+
Retailer 7
-
HK$4,232 HKD
View
Retailer 8
-
HK$4,444 HKD
View
Price last confirmed 90 days ago
B+
Retailer 9
-
HK$4,507 HKD
View
B+
Retailer 10
-
HK$4,781 HKD
View
B
Retailer 11
-
HK$5,886 HKD
View
B
Retailer 12
-
HK$7,916 HKD
View
Most Expensive
B
Reve Diamonds
77376367C · Nov 6
HK$8,724 HKD
$1,113 USD
View
12 more retailers have this diamond
Prices start from HK$1,528 HKDSave up to HK$7,195 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
1.05ct Cushion
HK$1,528 HKD