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Cushion|Lab Grown|IGI

1.90ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG811638094

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811638094

Diamond specifications and retailer prices

From HK$5,406 HKD
$689 USD
As of October 31, 2026
Save HK$28,017 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$35,345 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.9ct lab-grown cushion diamond

This 1.9ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638094 or 811638094. Listed at 17 retailers as of October 30, 2026, with a 518% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638094
Dimensions9.11 × 6.11 × 4.19 mm
L/W Ratio1.49
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
9.11 mm6.11 mm1.90 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638094
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 33.8°Culet: NoneDepth 68.6%

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$35,345 HKD|Low: HK$5,406 HKD|High: HK$47,859 HKD|Avg: HK$17,228 HKD|-1.0%
Rare Carat
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 9HK$5,406 HKD
Retailer 8HK$6,402 HKD
Retailer 11HK$6,983 HKD
Retailer 15HK$9,187 HKD
Retailer 10HK$9,385 HKD
Retailer 2HK$9,515 HKD
Retailer 13HK$10,298 HKD
Retailer 16HK$12,843 HKD
Retailer 6HK$13,000 HKD
Retailer 4HK$17,457 HKD
Retailer 5HK$19,120 HKD
Retailer 3HK$19,362 HKD
Retailer 7HK$19,804 HKD
Retailer 14HK$26,046 HKD
Retailer 12HK$33,423 HKD
Rare CaratHK$35,345 HKD

27 data points across 16 retailers

17 retailersHK$5,406 HKD to HK$33,423 HKD

A
Cheapest Retailer
-
HK$5,406 HKD
$689 USD
Final sale: no returns
Retailer 2
-
HK$6,402 HKD
$816 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$6,983 HKD
$890 USD
View
A
Retailer 4
-
HK$9,187 HKD
$1,171 USD
View
A
Retailer 5
-
HK$9,385 HKD
£942 GBP
View
A
Retailer 6
-
HK$9,515 HKD
€1,155 EUR
View
A
Retailer 7
-
HK$10,298 HKD
ZAR 21,205 ZAR
View
A
Retailer 8
-
HK$12,843 HKD
$1,637 USD
View
A
Retailer 9
-
HK$13,000 HKD
$1,657 USD
View
B+
Retailer 10
-
HK$17,457 HKD
£1,752 GBP
View
B+
Retailer 11
-
HK$18,390 HKD
$2,344 USD
View
B+
Retailer 12
-
HK$19,120 HKD
$2,437 USD
View
B+
Retailer 13
-
HK$19,362 HKD
$2,468 USD
View
B+
Retailer 14
-
HK$19,804 HKD
SGD 3,411 SGD
View
B+
Retailer 15
-
HK$26,046 HKD
£2,614 GBP
View
B
Retailer 16
-
HK$33,423 HKD
$4,260 USD
View
Most Expensive
Rare Carat
PD0946380JJ811 · Oct 21
HK$35,345 HKD
$4,505 USD
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from HK$5,406 HKDSave up to HK$28,017 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
1.90ct Cushion
HK$5,406 HKD