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Radiant|Lab Grown|IGI

2.55ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG823694861

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

Certificate IGI LG823694861

Diamond specifications and retailer prices

From HK$14,499 HKD
$1,848 USD
As of October 30, 2026
Save HK$61,526 HKD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$76,025 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG823694861 or 823694861. Listed at 21 retailers as of October 30, 2026, with prices from HK$14,499 to HK$76,025, a HK$61,526 spread on the same certified stone. Brilliant Earth lists it at HK$76,025. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823694861
Dimensions9.76 × 6.74 × 4.60 mm
L/W Ratio1.45
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
9.76 mm6.74 mm2.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823694861
Side View
Table 66.0%Crown 44.6°Girdle: MediumPavilion 35.2°Culet: NoneDepth 68.2%

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$76,025 HKD|Low: HK$13,918 HKD|High: HK$78,222 HKD|Avg: HK$30,873 HKD|-2.8%
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
Retailer 18
Retailer 19
November 1, 2026
Retailer 18HK$14,499 HKD
Retailer 5HK$15,778 HKD
Retailer 11HK$16,233 HKD
Retailer 6HK$16,821 HKD
Retailer 19HK$16,821 HKD
Retailer 15HK$18,124 HKD
Retailer 7HK$19,382 HKD
Retailer 10HK$22,619 HKD
Retailer 12HK$23,129 HKD
Retailer 3HK$26,377 HKD
Retailer 13HK$26,559 HKD
Retailer 17HK$28,299 HKD
Retailer 4HK$31,532 HKD
Retailer 9HK$34,794 HKD
Retailer 16HK$43,355 HKD
Retailer 14HK$43,404 HKD
Retailer 2HK$48,047 HKD
Retailer 8HK$58,942 HKD
Brilliant EarthHK$76,025 HKD

38 data points across 19 retailers

21 retailersHK$14,499 HKD to HK$76,025 HKD

A
Cheapest Retailer
-
HK$14,499 HKD
$1,848 USD
A
Retailer 2
-
HK$15,778 HKD
$2,011 USD
View
A
Retailer 3
-
HK$16,233 HKD
$2,069 USD
View
Final sale: no returns
A
Retailer 4
-
HK$16,821 HKD
$2,144 USD
View
Retailer 5
-
HK$16,821 HKD
$2,144 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
HK$18,124 HKD
$2,310 USD
View
A
Retailer 7
-
HK$19,382 HKD
View
B+
Retailer 8
-
HK$22,619 HKD
$2,883 USD
View
B+
Retailer 9
-
HK$23,129 HKD
£2,321 GBP
View
B+
Retailer 10
-
HK$26,377 HKD
$3,362 USD
View
B+
Retailer 11
-
HK$26,559 HKD
€3,224 EUR
View
B+
Retailer 12
-
HK$28,299 HKD
$3,607 USD
View
B+
Retailer 13
-
HK$31,532 HKD
$4,019 USD
View
B+
Retailer 14
-
HK$34,794 HKD
£3,492 GBP
View
B+
Retailer 15
-
HK$43,355 HKD
$5,526 USD
View
B+
Retailer 16
-
HK$43,404 HKD
ZAR 89,373 ZAR
View
B+
Retailer 17
-
HK$48,047 HKD
£4,822 GBP
View
B
Retailer 18
-
HK$50,635 HKD
$6,454 USD
View
B
Retailer 19
-
HK$56,171 HKD
SGD 9,675 SGD
View
B
Retailer 20
-
HK$58,942 HKD
$7,513 USD
View
Most Expensive
B
Brilliant Earth
21056637A · Oct 31
HK$76,025 HKD
$9,690 USD
View
20 more retailers have this diamond
Prices start from HK$14,499 HKDSave up to HK$61,526 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$14,499 HKD