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Cushion|Lab Grown|IGI

1.23ct D VVS1 Cushion Lab Grown Diamond

VG • D/VVS1 • IGI LG830620278

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830620278

Diamond specifications and retailer prices

From HK$1,812 HKD
As of November 4, 2026
Save HK$11,722 HKD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$13,534 HKD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG830620278 or 830620278. Listed at 15 retailers as of November 4, 2026, with prices from HK$1,812 to HK$13,534, a HK$11,722 spread on the same certified stone. Helzberg Diamonds lists it at HK$13,534. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620278
Dimensions7.73 × 5.27 × 3.69 mm
L/W Ratio1.47
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
7.73 mm5.27 mm1.23 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620278
Side View
Table 59.0%Crown 37°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 70.0%

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 4
Current: HK$13,534 HKD|Low: HK$1,812 HKD|High: HK$13,534 HKD|Avg: HK$5,381 HKD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 4, 2026
Retailer 3HK$1,812 HKD
Retailer 2HK$2,283 HKD
Retailer 11HK$3,405 HKD
Retailer 9HK$3,460 HKD
Retailer 13HK$3,468 HKD
Retailer 7HK$3,656 HKD
Retailer 14HK$4,692 HKD
Retailer 5HK$4,904 HKD
Retailer 8HK$5,233 HKD
Retailer 4HK$6,559 HKD
Retailer 6HK$6,865 HKD
Retailer 12HK$7,571 HKD
Retailer 10HK$8,034 HKD
Helzberg DiamondsHK$13,534 HKD

10 data points across 14 retailers

15 retailersHK$1,812 HKD to HK$13,534 HKD

A
Cheapest Retailer
-
HK$1,812 HKD
Final sale: no returns
A
Retailer 2
-
HK$2,283 HKD
View
A
Retailer 3
-
HK$3,405 HKD
View
A
Retailer 4
-
HK$3,460 HKD
View
A
Retailer 5
-
HK$3,468 HKD
View
A
Retailer 6
-
HK$3,656 HKD
View
B+
Retailer 7
-
HK$4,692 HKD
View
Retailer 8
-
HK$4,904 HKD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$5,233 HKD
View
B
Retailer 10
-
HK$6,559 HKD
View
B
Retailer 11
-
HK$6,865 HKD
View
Retailer 12
-
HK$7,571 HKD
View
Price last confirmed 8 days ago
B
Retailer 13
-
HK$8,034 HKD
View
B
Retailer 14
-
HK$9,886 HKD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMIGINO · Nov 4
HK$13,534 HKD
$1,725 USD
View
14 more retailers have this diamond
Prices start from HK$1,812 HKDSave up to HK$11,722 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
1.23ct Cushion
HK$1,812 HKD