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Cushion|Lab Grown|IGI

10.18ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG844631644

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG844631644

Diamond specifications and retailer prices

From HK$10,725 HKD
$1,367 USD
As of October 31, 2026
Save HK$36,035 HKD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$46,760 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.18ct lab-grown cushion diamond

This 10.18ct lab-grown cushion sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844631644 or 844631644. Listed at 3 retailers as of October 31, 2026, with prices from HK$10,725 to HK$46,760, a HK$36,035 spread on the same certified stone. Brilliant Earth lists it at HK$46,760. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.18
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844631644
Dimensions15.44 × 11.25 × 7.44 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.44 mm11.25 mm10.18 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844631644
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 66.1%

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: Oct 31
Current: HK$46,760 HKD|Low: HK$10,725 HKD|High: HK$46,760 HKD|Avg: HK$26,370 HKD
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3HK$10,725 HKD
Retailer 2HK$15,844 HKD
Brilliant EarthHK$46,760 HKD

19 data points across 3 retailers

3 retailersHK$10,725 HKD to HK$46,760 HKD

A
Cheapest Retailer
-
HK$10,725 HKD
$1,367 USD
Final sale: no returns
A
Retailer 2
-
HK$15,844 HKD
£1,590 GBP
View
Most Expensive
B+
Brilliant Earth
21816170A · Oct 31
HK$46,760 HKD
$5,960 USD
View
2 more retailers have this diamond
Prices start from HK$10,725 HKDSave up to HK$36,035 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
10.18ct Cushion
HK$10,725 HKD