Radiant|Lab Grown|IGI

2.55ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629556

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

Certificate IGI LG768629556

Diamond specifications and retailer prices

From HK$17,072 HKD
As of October 31, 2026
Save HK$39,966 HKD (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$69,050 HKD at Blue Nile · As of October 22, 2026
View at Blue Nile

About this 2.55ct lab-grown radiant diamond

This 2.55ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768629556 or 768629556. Listed at 13 retailers as of October 30, 2026, with a 234% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.55
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629556
Dimensions10.03 × 6.80 × 4.40 mm
L/W Ratio1.47
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
10.03 mm6.80 mm2.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629556
Side View
Table 63.0%Crown 42.6°Girdle: MediumPavilion 33.3°Culet: NoneDepth 64.7%

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 31
Current: HK$69,050 HKD|Low: HK$13,848 HKD|High: HK$100,119 HKD|Avg: HK$39,405 HKD|-31.0%
Blue Nile
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
October 30, 2026
Retailer 14HK$13,848 HKD
Retailer 12HK$16,374 HKD
Retailer 6HK$17,072 HKD
Retailer 7HK$19,350 HKD
Retailer 5HK$20,399 HKD
Retailer 10HK$21,658 HKD
Retailer 13HK$32,983 HKD
Retailer 8HK$34,472 HKD
Retailer 4HK$35,212 HKD
Retailer 11HK$38,790 HKD
Retailer 9HK$44,642 HKD
Retailer 3HK$47,787 HKD
Retailer 2HK$57,038 HKD
Blue NileHK$69,050 HKD

35 data points across 14 retailers

13 retailersHK$17,072 HKD to HK$57,038 HKD

Retailer 1
-
HK$13,848 HKD
$1,765 USD
Price last confirmed 10 days ago
Retailer 2
-
HK$16,374 HKD
$2,087 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$17,072 HKD
View
Retailer 4
-
HK$19,350 HKD
£1,942 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
HK$20,399 HKD
$2,600 USD
View
Price last confirmed 14 days ago
Retailer 6
-
HK$32,983 HKD
$4,204 USD
View
Price last confirmed 10 days ago
Retailer 7
-
HK$34,472 HKD
ZAR 70,981 ZAR
View
Price last confirmed 12 days ago
Retailer 8
-
HK$35,212 HKD
$4,488 USD
View
Price last confirmed 10 days ago
Retailer 9
-
HK$38,790 HKD
£3,893 GBP
View
Price last confirmed 11 days ago
Retailer 10
-
HK$44,642 HKD
$5,690 USD
View
Price last confirmed 11 days ago
Retailer 11
-
HK$47,787 HKD
$6,091 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
HK$57,038 HKD
$7,270 USD
View
Most Expensive
Blue Nile
29314079 · Oct 22
HK$69,050 HKD
$8,801 USD
View
Price last confirmed 10 days ago
12 more retailers have this diamond
Prices start from HK$17,072 HKDSave up to HK$39,966 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
2.55ct Radiant
HK$17,072 HKD