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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG603345567

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG603345567

Diamond specifications and retailer prices

From HK$1,912 HKD
As of November 6, 2026
Save HK$7,908 HKD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$9,820 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct 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 LG603345567 or 603345567. Listed at 10 retailers as of November 6, 2026, with prices from HK$1,912 to HK$9,820, a HK$7,908 spread on the same certified stone. Reve Diamonds lists it at HK$9,820. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603345567
Dimensions5.73 × 5.63 × 3.45 mm
L/W Ratio1.02
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
5.73 mm5.63 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG603345567
Side View
Table 63.0%Crown 36.4°Girdle: STK-VTKPavilion 32.1°Culet: NoneDepth 61.3%

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: Nov 6
Current: HK$3,903 HKD|Low: HK$1,912 HKD|High: HK$9,820 HKD|Avg: HK$4,629 HKD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 6, 2026
Retailer 6HK$1,912 HKD
Retailer 4HK$2,124 HKD
Retailer 9HK$2,406 HKD
Retailer 7HK$2,704 HKD
Retailer 3HK$3,637 HKD
Retailer 1HK$3,903 HKD
Retailer 5HK$3,958 HKD
Retailer 8HK$7,242 HKD
Retailer 2HK$8,504 HKD
Reve DiamondsHK$9,820 HKD

42 data points across 10 retailers

10 retailersHK$1,912 HKD to HK$9,820 HKD

A
Cheapest Retailer
-
HK$1,912 HKD
Final sale: no returns
Retailer 2
-
HK$2,124 HKD
View
Price last confirmed 13 days ago
A
Retailer 3
-
HK$2,406 HKD
View
A
Retailer 4
-
HK$2,704 HKD
View
B+
Retailer 5
-
HK$3,637 HKD
View
B+
Retailer 6
-
HK$3,903 HKD
View
B
Retailer 7
-
HK$3,958 HKD
View
B
Retailer 8
-
HK$7,242 HKD
View
B
Retailer 9
-
HK$8,504 HKD
View
Most Expensive
B
Reve Diamonds
3BAB54655 · Nov 6
HK$9,820 HKD
$1,253 USD
View
9 more retailers have this diamond
Prices start from HK$1,912 HKDSave up to HK$7,908 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
1.01ct Cushion
HK$1,912 HKD