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Radiant|Lab Grown|IGI

1.61ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754594007

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG754594007

Diamond specifications and retailer prices

From HK$2,126 HKD
$271 USD
As of October 30, 2026
Save HK$23,372 HKD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$25,499 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown radiant diamond

This 1.61ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594007 or 754594007. Listed at 17 retailers as of October 30, 2026, with prices from HK$2,126 to HK$25,499, a HK$23,372 spread on the same certified stone. Brilliant Earth lists it at HK$25,499. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594007
Dimensions8.43 × 8.43 × 5.74 mm
L/W Ratio1.00
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
8.43 mm8.43 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594007
Side View
Table 59.0%Crown 42.8°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 66.9%

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$25,499 HKD|Low: HK$2,126 HKD|High: HK$37,502 HKD|Avg: HK$10,137 HKD|-32.0%
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 12HK$2,126 HKD
Retailer 5HK$2,464 HKD
Retailer 9HK$2,652 HKD
Retailer 13HK$4,017 HKD
Retailer 7HK$4,354 HKD
Retailer 16HK$4,370 HKD
Retailer 2HK$4,844 HKD
Retailer 3HK$6,834 HKD
Retailer 8HK$7,006 HKD
Retailer 15HK$8,105 HKD
Retailer 4HK$8,392 HKD
Retailer 17HK$9,360 HKD
Retailer 11HK$11,728 HKD
Retailer 10HK$13,519 HKD
Retailer 14HK$18,908 HKD
Retailer 6HK$21,850 HKD
Brilliant EarthHK$25,499 HKD

35 data points across 17 retailers

17 retailersHK$2,126 HKD to HK$25,499 HKD

A
Cheapest Retailer
-
HK$2,126 HKD
$271 USD
A
Retailer 2
-
HK$2,464 HKD
$314 USD
View
A
Retailer 3
-
HK$2,652 HKD
$338 USD
View
Final sale: no returns
A
Retailer 4
-
HK$4,017 HKD
$512 USD
View
A
Retailer 5
-
HK$4,354 HKD
$555 USD
View
A
Retailer 6
-
HK$4,370 HKD
$557 USD
View
A
Retailer 7
-
HK$4,844 HKD
€588 EUR
View
Retailer 8
-
HK$6,834 HKD
A$1,340 AUD
View
Price last confirmed 7 days ago
A
Retailer 9
-
HK$7,006 HKD
$893 USD
View
B+
Retailer 10
-
HK$8,105 HKD
$1,033 USD
View
A
Retailer 11
-
HK$8,392 HKD
$1,070 USD
View
B+
Retailer 12
-
HK$9,360 HKD
$1,193 USD
View
B+
Retailer 13
-
HK$11,728 HKD
£1,177 GBP
View
B+
Retailer 14
-
HK$13,519 HKD
A$2,651 AUD
View
B
Retailer 15
-
HK$18,908 HKD
$2,410 USD
View
B
Retailer 16
-
HK$21,850 HKD
$2,785 USD
View
Most Expensive
B
Brilliant Earth
17388414Y · Oct 31
HK$25,499 HKD
$3,250 USD
View
16 more retailers have this diamond
Prices start from HK$2,126 HKDSave up to HK$23,372 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
1.61ct Radiant
HK$2,126 HKD