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Cushion|Lab Grown|IGI

1.83ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG492129086

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG492129086

Diamond specifications and retailer prices

From HK$2,205 HKD
$281 USD
As of October 30, 2026
Save HK$19,293 HKD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$21,497 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492129086 or 492129086. Listed at 16 retailers as of October 29, 2026, with prices from HK$2,205 to HK$21,497, a HK$19,293 spread on the same certified stone. Do Amore Diamonds lists it at HK$21,497. 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

1.83
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492129086
Dimensions7.41 × 6.86 × 4.72 mm
L/W Ratio1.08
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
7.41 mm6.86 mm1.83 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492129086
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 68.8%

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 30
Current: HK$21,497 HKD|Low: HK$2,205 HKD|High: HK$21,497 HKD|Avg: HK$7,582 HKD|+22.9%
Do Amore 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
October 30, 2026
Retailer 4HK$2,205 HKD
Retailer 9HK$2,997 HKD
Retailer 8HK$4,041 HKD
Retailer 10HK$4,041 HKD
Retailer 2HK$4,249 HKD
Retailer 11HK$4,386 HKD
Retailer 6HK$5,924 HKD
Retailer 5HK$7,899 HKD
Retailer 3HK$9,791 HKD
Retailer 12HK$11,891 HKD
Retailer 13HK$12,181 HKD
Retailer 7HK$13,332 HKD
Do Amore DiamondsHK$21,497 HKD

39 data points across 13 retailers

16 retailersHK$2,205 HKD to HK$21,497 HKD

A
Cheapest Retailer
-
HK$2,205 HKD
$281 USD
Final sale: no returns
A
Retailer 2
-
HK$2,997 HKD
$382 USD
View
Retailer 3
-
HK$3,489 HKD
£350 GBP
View
Price last confirmed 35 days ago
A
Retailer 4
-
HK$4,041 HKD
$515 USD
View
A
Retailer 5
-
HK$4,041 HKD
$515 USD
View
A
Retailer 6
-
HK$4,249 HKD
£426 GBP
View
A
Retailer 7
-
HK$4,386 HKD
$559 USD
View
B+
Retailer 8
-
HK$5,924 HKD
£595 GBP
View
B+
Retailer 9
-
HK$7,899 HKD
$1,007 USD
View
B
Retailer 10
-
HK$9,237 HKD
CA$1,635 CAD
View
B
Retailer 11
-
HK$9,791 HKD
$1,248 USD
View
B
Retailer 12
-
HK$11,891 HKD
$1,516 USD
View
B
Retailer 13
-
HK$12,181 HKD
SGD 2,098 SGD
View
B
Retailer 14
-
HK$13,332 HKD
£1,338 GBP
View
Retailer 15
-
HK$18,594 HKD
$2,370 USD
View
Price last confirmed 29 days ago
Most Expensive
B
Do Amore Diamonds
27-8BB05FEF8 · Oct 29
HK$21,497 HKD
$2,740 USD
View
15 more retailers have this diamond
Prices start from HK$2,205 HKDSave up to HK$19,293 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
1.83ct Cushion
HK$2,205 HKD