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Radiant|Lab Grown|IGI

4.56ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG731531300

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

Certificate IGI LG731531300

Diamond specifications and retailer prices

From HK$39,602 HKD
$5,048 USD
As of October 27, 2026
Save HK$232,858 HKD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$272,460 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.56ct lab-grown radiant diamond

This 4.56ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731531300 or 731531300. Listed at 23 retailers as of October 27, 2026, with prices from HK$39,602 to HK$272,460, a HK$232,858 spread on the same certified stone. Do Amore Diamonds lists it at HK$272,460. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.56
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731531300
Dimensions11.72 × 8.08 × 5.51 mm
L/W Ratio1.45
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
11.72 mm8.08 mm4.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731531300
Side View
Table 63.0%Crown 47.1°Girdle: MediumPavilion 32.6°Culet: NoneDepth 68.2%

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 27
Current: HK$272,460 HKD|Low: HK$38,017 HKD|High: HK$272,460 HKD|Avg: HK$87,306 HKD
Do Amore Diamonds
Retailer 2
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Retailer 23
October 29, 2026
Retailer 22HK$39,602 HKD
Retailer 6HK$41,508 HKD
Retailer 9HK$42,411 HKD
Retailer 12HK$44,348 HKD
Retailer 3HK$45,941 HKD
Retailer 7HK$45,941 HKD
Retailer 21HK$46,129 HKD
Retailer 14HK$47,369 HKD
Retailer 20HK$57,607 HKD
Retailer 5HK$60,195 HKD
Retailer 8HK$61,355 HKD
Retailer 13HK$64,714 HKD
Retailer 19HK$66,958 HKD
Retailer 4HK$71,006 HKD
Retailer 11HK$72,094 HKD
Retailer 2HK$103,738 HKD
Retailer 17HK$107,507 HKD
Retailer 18HK$111,991 HKD
Retailer 23HK$116,602 HKD
Retailer 15HK$126,452 HKD
Retailer 16HK$177,592 HKD
Retailer 10HK$179,093 HKD
Do Amore DiamondsHK$272,460 HKD

41 data points across 23 retailers

23 retailersHK$39,602 HKD to HK$272,460 HKD

A
Cheapest Retailer
-
HK$39,602 HKD
$5,048 USD
Returns within 21 days
A
Retailer 2
-
HK$41,508 HKD
$5,291 USD
View
A
Retailer 3
-
HK$42,411 HKD
$5,406 USD
View
Returns within 30 days
A
Retailer 4
-
HK$44,348 HKD
$5,653 USD
View
Final sale: no returns
A
Retailer 5
-
HK$45,941 HKD
$5,856 USD
View
Returns within 30 days
A
Retailer 6
-
HK$45,941 HKD
$5,856 USD
View
Price last confirmed 12 days ago
Returns within 30 days
A
Retailer 7
-
HK$46,129 HKD
$5,880 USD
View
Returns within 40 days
A
Retailer 8
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HK$47,369 HKD
$6,038 USD
View
Returns within 30 days
A
Retailer 9
-
HK$57,607 HKD
$7,343 USD
View
Returns within 30 days
A
Retailer 10
-
HK$60,195 HKD
$7,673 USD
View
Returns within 30 days
A
Retailer 11
-
HK$61,355 HKD
View
B+
Retailer 12
-
HK$64,714 HKD
£6,495 GBP
View
Returns within 30 days
B+
Retailer 13
-
HK$66,958 HKD
$8,535 USD
View
Returns within 30 days
B+
Retailer 14
-
HK$71,006 HKD
$9,051 USD
View
Returns within 30 days
B+
Retailer 15
-
HK$72,094 HKD
£7,236 GBP
View
Returns within 30 days
B+
Retailer 16
-
HK$103,738 HKD
£10,412 GBP
View
B+
Retailer 17
-
HK$107,507 HKD
ZAR 221,385 ZAR
View
Returns within 7 days
B
Retailer 18
-
HK$111,991 HKD
A$21,962 AUD
View
B
Retailer 19
-
HK$116,602 HKD
$14,863 USD
View
Returns within 30 days
B
Retailer 20
-
HK$126,452 HKD
$16,119 USD
View
Returns within 30 days
B
Retailer 21
-
HK$177,592 HKD
SGD 30,591 SGD
View
Returns within 14 days
B
Retailer 22
-
HK$179,093 HKD
$22,829 USD
View
Returns within 90 days
Most Expensive
B
Do Amore Diamonds
27-6167FFFBC · Oct 29
HK$272,460 HKD
$34,730 USD
View
Returns within 60 days
22 more retailers have this diamond
Prices start from HK$39,602 HKDSave up to HK$232,858 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
4.56ct Radiant
HK$39,602 HKD