Radiant|Lab Grown|IGI

4.88ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG812621042

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

Certificate IGI LG812621042

Diamond specifications and retailer prices

From HK$46,086 HKD
$5,874 USD
As of November 1, 2026
Save HK$124,265 HKD (73%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$170,351 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.88ct lab-grown radiant diamond

This 4.88ct 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 LG812621042 or 812621042. Listed at 22 retailers as of October 31, 2026, with prices from HK$46,086 to HK$170,351, a HK$124,265 spread on the same certified stone. Taylor and Hart lists it at HK$170,351. 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

4.88
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621042
Dimensions12.04 × 8.44 × 5.61 mm
L/W Ratio1.43
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
12.04 mm8.44 mm4.88 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621042
Side View
Table 65.0%Crown 43.4°Girdle: MediumPavilion 35.5°Culet: NoneDepth 66.5%

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: Nov 1
Current: HK$60,655 HKD|Low: HK$46,086 HKD|High: HK$173,324 HKD|Avg: HK$91,518 HKD|-4.4%
Retailer 1
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
Taylor and Hart
November 2, 2026
Retailer 4HK$46,086 HKD
Retailer 2HK$47,859 HKD
Retailer 12HK$54,300 HKD
Retailer 1HK$60,655 HKD
Retailer 16HK$67,676 HKD
Retailer 8HK$68,375 HKD
Retailer 15HK$70,086 HKD
Retailer 6HK$73,710 HKD
Retailer 11HK$78,178 HKD
Retailer 3HK$85,275 HKD
Retailer 9HK$97,139 HKD
Retailer 13HK$101,601 HKD
Retailer 10HK$105,023 HKD
Retailer 5HK$129,025 HKD
Retailer 14HK$132,747 HKD
Retailer 7HK$132,906 HKD
Taylor and HartHK$170,351 HKD

36 data points across 17 retailers

22 retailersHK$46,086 HKD to HK$170,351 HKD

Retailer 1
-
HK$42,022 HKD
$5,356 USD
Price last confirmed 24 days ago
A
Retailer 2
-
HK$46,086 HKD
$5,874 USD
View
Final sale: no returns
A
Retailer 3
-
HK$47,859 HKD
$6,100 USD
View
Retailer 4
-
HK$48,408 HKD
$6,170 USD
View
Price last confirmed 37 days ago
Retailer 5
-
HK$48,745 HKD
$6,213 USD
View
Price last confirmed 29 days ago
Retailer 6
-
HK$48,745 HKD
$6,213 USD
View
Price last confirmed 22 days ago
A
Retailer 7
-
HK$54,300 HKD
$6,921 USD
View
Retailer 8
-
HK$57,870 HKD
$7,376 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
HK$60,655 HKD
£6,087 GBP
View
B+
Retailer 10
-
HK$67,676 HKD
£6,792 GBP
View
B+
Retailer 11
-
HK$68,375 HKD
$8,715 USD
View
B+
Retailer 12
-
HK$70,086 HKD
$8,933 USD
View
B+
Retailer 13
-
HK$73,710 HKD
$9,395 USD
View
B+
Retailer 14
-
HK$78,178 HKD
€9,490 EUR
View
B+
Retailer 15
-
HK$85,275 HKD
$10,869 USD
View
B+
Retailer 16
-
HK$97,139 HKD
£9,749 GBP
View
B+
Retailer 17
-
HK$101,601 HKD
ZAR 209,207 ZAR
View
B+
Retailer 18
-
HK$105,023 HKD
A$20,594 AUD
View
B
Retailer 19
-
HK$129,025 HKD
$16,445 USD
View
B
Retailer 20
-
HK$132,747 HKD
$16,920 USD
View
B
Retailer 21
-
HK$132,906 HKD
$16,940 USD
View
Most Expensive
B
Taylor and Hart
3PMCSWU · Oct 31
HK$170,351 HKD
$21,713 USD
View
21 more retailers have this diamond
Prices start from HK$46,086 HKDSave up to HK$124,265 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
4.88ct Radiant
HK$46,086 HKD