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Cushion|Lab Grown|IGI

1.89ct H SI1 Cushion Lab Grown Diamond

VG • H/SI1 • IGI LG459199006

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG459199006

Diamond specifications and retailer prices

From HK$3,726 HKD
$475 USD
As of October 29, 2026
Save HK$11,876 HKD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$15,602 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.89ct lab-grown cushion diamond

This 1.89ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG459199006 or 459199006. Listed at 10 retailers as of October 29, 2026, with prices from HK$3,726 to HK$15,602, a HK$11,876 spread on the same certified stone. MOH London lists it at HK$15,602. 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

1.89
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459199006
Dimensions7.81 × 6.66 × 4.64 mm
L/W Ratio1.17
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
7.81 mm6.66 mm1.89 ctH / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG459199006
Side View
Table 62.5%Crown 36.2°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 69.7%

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: Oct 29
Current: HK$15,602 HKD|Low: HK$2,322 HKD|High: HK$15,702 HKD|Avg: HK$7,528 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10HK$3,248 HKD
Retailer 8HK$3,726 HKD
Retailer 7HK$4,119 HKD
Retailer 12HK$4,268 HKD
Retailer 6HK$4,786 HKD
Retailer 11HK$5,099 HKD
Retailer 2HK$5,269 HKD
Retailer 5HK$7,688 HKD
Retailer 9HK$8,842 HKD
Retailer 4HK$11,099 HKD
Retailer 3HK$14,906 HKD
MOH LondonHK$15,602 HKD

23 data points across 12 retailers

10 retailersHK$3,726 HKD to HK$15,602 HKD

A
Cheapest Retailer
-
HK$3,726 HKD
$475 USD
A
Retailer 2
-
HK$4,119 HKD
€500 EUR
View
B+
Retailer 3
-
HK$4,268 HKD
$544 USD
View
A
Retailer 4
-
HK$4,786 HKD
$610 USD
View
B+
Retailer 5
-
HK$5,099 HKD
$650 USD
View
A
Retailer 6
-
HK$5,269 HKD
£529 GBP
View
B+
Retailer 7
-
HK$7,688 HKD
$980 USD
View
B+
Retailer 8
-
HK$8,842 HKD
$1,127 USD
View
B
Retailer 9
-
HK$14,906 HKD
$1,900 USD
View
Most Expensive
B
MOH London
LG459199006 · Oct 29
HK$15,602 HKD
£1,566 GBP
View
9 more retailers have this diamond
Prices start from HK$3,726 HKDSave up to HK$11,876 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
1.89ct Cushion
HK$3,726 HKD