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Cushion|Lab Grown|IGI

1.07ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG678583389

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG678583389

Diamond specifications and retailer prices

From HK$2,714 HKD
£272 GBP
As of November 1, 2026
Save HK$11,173 HKD (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$13,887 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.07ct lab-grown cushion diamond

This 1.07ct 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 LG678583389 or 678583389. Listed at 5 retailers as of November 1, 2026, with prices from HK$2,714 to HK$13,887, a HK$11,173 spread on the same certified stone. Do Amore Diamonds lists it at HK$13,887. 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

1.07
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678583389
Dimensions7.16 × 5.39 × 3.62 mm
L/W Ratio1.33
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
7.16 mm5.39 mm1.07 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678583389
Side View
Table 63.0%Crown 34.3°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 67.2%

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: Nov 1
Current: HK$13,887 HKD|Low: HK$2,713 HKD|High: HK$13,887 HKD|Avg: HK$5,981 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3HK$2,714 HKD
Retailer 7HK$2,809 HKD
Retailer 4HK$3,538 HKD
Retailer 5HK$3,915 HKD
Retailer 6HK$4,363 HKD
Retailer 8HK$7,045 HKD
Retailer 2HK$9,087 HKD
Do Amore DiamondsHK$13,887 HKD

31 data points across 8 retailers

5 retailersHK$2,714 HKD to HK$13,887 HKD

A
Cheapest Retailer
-
HK$2,714 HKD
£272 GBP
B+
Retailer 2
-
HK$3,538 HKD
$451 USD
View
B+
Retailer 3
-
HK$3,915 HKD
$499 USD
View
B
Retailer 4
-
HK$9,087 HKD
£912 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1675433 · Nov 2
HK$13,887 HKD
$1,770 USD
View
4 more retailers have this diamond
Prices start from HK$2,714 HKDSave up to HK$11,173 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
1.07ct Cushion
HK$2,714 HKD