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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG775615048

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG775615048

Diamond specifications and retailer prices

From HK$6,018 HKD
$767 USD
As of October 30, 2026
Save HK$34,309 HKD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$40,327 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG775615048 or 775615048. Listed at 18 retailers as of October 30, 2026, with prices from HK$6,018 to HK$40,327, a HK$34,309 spread on the same certified stone. Brilliant Earth lists it at HK$40,327. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775615048
Dimensions8.31 × 6.55 × 4.42 mm
L/W Ratio1.27
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
8.31 mm6.55 mm1.83 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775615048
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 67.5%

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 30
Current: HK$40,327 HKD|Low: HK$6,018 HKD|High: HK$47,545 HKD|Avg: HK$17,644 HKD|-12.6%
Brilliant Earth
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
Retailer 17
October 31, 2026
Retailer 4HK$6,018 HKD
Retailer 14HK$7,231 HKD
Retailer 11HK$7,650 HKD
Retailer 16HK$8,238 HKD
Retailer 9HK$8,371 HKD
Retailer 10HK$10,000 HKD
Retailer 2HK$10,124 HKD
Retailer 5HK$10,160 HKD
Retailer 13HK$11,479 HKD
Retailer 17HK$12,231 HKD
Retailer 15HK$19,370 HKD
Retailer 7HK$21,034 HKD
Retailer 8HK$21,301 HKD
Retailer 3HK$21,537 HKD
Retailer 6HK$21,537 HKD
Retailer 12HK$26,445 HKD
Brilliant EarthHK$40,327 HKD

43 data points across 17 retailers

18 retailersHK$6,018 HKD to HK$40,327 HKD

A
Cheapest Retailer
-
HK$6,018 HKD
$767 USD
Final sale: no returns
A
Retailer 2
-
HK$7,231 HKD
View
A
Retailer 3
-
HK$7,650 HKD
$975 USD
View
A
Retailer 4
-
HK$8,238 HKD
$1,050 USD
View
Retailer 5
-
HK$8,371 HKD
$1,067 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$10,000 HKD
£1,004 GBP
View
A
Retailer 7
-
HK$10,124 HKD
€1,229 EUR
View
A
Retailer 8
-
HK$10,160 HKD
$1,295 USD
View
A
Retailer 9
-
HK$11,479 HKD
ZAR 23,637 ZAR
View
A
Retailer 10
-
HK$12,231 HKD
$1,559 USD
View
B+
Retailer 11
-
HK$19,370 HKD
£1,944 GBP
View
B+
Retailer 12
-
HK$20,211 HKD
$2,576 USD
View
B+
Retailer 13
-
HK$21,034 HKD
SGD 3,623 SGD
View
B+
Retailer 14
-
HK$21,301 HKD
$2,715 USD
View
B+
Retailer 15
-
HK$21,537 HKD
$2,745 USD
View
B+
Retailer 16
-
HK$21,537 HKD
$2,745 USD
View
B+
Retailer 17
-
HK$26,445 HKD
£2,654 GBP
View
Most Expensive
B
Brilliant Earth
19073865A · Oct 30
HK$40,327 HKD
$5,140 USD
View
17 more retailers have this diamond
Prices start from HK$6,018 HKDSave up to HK$34,309 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$6,018 HKD