Cushion|Lab Grown|IGI

1.51ct H VS1 Cushion Lab Grown Diamond

GD • H/VS1 • IGI LG494178637

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG494178637

Diamond specifications and retailer prices

From HK$2,911 HKD
$371 USD
As of November 1, 2026
Save HK$20,234 HKD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$23,145 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG494178637 or 494178637. Listed at 8 retailers as of November 1, 2026, with prices from HK$2,911 to HK$23,145, a HK$20,234 spread on the same certified stone. Do Amore Diamonds lists it at HK$23,145. 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

1.51
Carat
H
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494178637
Dimensions7.83 × 6.10 × 4.17 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.83 mm6.10 mm1.51 ctH / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494178637
Side View
Table 63.5%Crown 32.2°Girdle: MED-STKPavilion 39°Culet: NoneDepth 68.4%

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 1
Current: HK$23,145 HKD|Low: HK$2,911 HKD|High: HK$23,145 HKD|Avg: HK$9,813 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6HK$2,911 HKD
Retailer 8HK$3,429 HKD
Retailer 5HK$5,225 HKD
Retailer 9HK$6,277 HKD
Retailer 2HK$8,287 HKD
Retailer 3HK$8,398 HKD
Retailer 10HK$9,645 HKD
Retailer 11HK$12,801 HKD
Retailer 4HK$13,970 HKD
Retailer 7HK$13,990 HKD
Do Amore DiamondsHK$23,145 HKD

12 data points across 11 retailers

8 retailersHK$2,911 HKD to HK$23,145 HKD

A
Cheapest Retailer
-
HK$2,911 HKD
$371 USD
Final sale: no returns
B+
Retailer 2
-
HK$3,429 HKD
$437 USD
View
B+
Retailer 3
-
HK$5,225 HKD
$666 USD
View
B
Retailer 4
-
HK$8,287 HKD
A$1,625 AUD
View
B
Retailer 5
-
HK$12,801 HKD
$1,632 USD
View
B
Retailer 6
-
HK$13,970 HKD
£1,402 GBP
View
Retailer 7
-
HK$13,990 HKD
£1,404 GBP
View
Price last confirmed 17 days ago
Most Expensive
C
Do Amore Diamonds
27-CB613DD57 · Nov 2
HK$23,145 HKD
$2,950 USD
View
7 more retailers have this diamond
Prices start from HK$2,911 HKDSave up to HK$20,234 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
1.51ct Cushion
HK$2,911 HKD