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Radiant|Lab Grown|IGI

2.81ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG818654310

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

Certificate IGI LG818654310

Diamond specifications and retailer prices

From HK$10,310 HKD
$1,314 USD
As of October 28, 2026
Save HK$70,351 HKD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$80,661 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.81ct lab-grown radiant diamond

This 2.81ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654310 or 818654310. Listed at 21 retailers as of October 28, 2026, with prices from HK$10,310 to HK$80,661, a HK$70,351 spread on the same certified stone. Brilliant Earth lists it at HK$80,661. 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

2.81
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654310
Dimensions9.52 × 6.88 × 4.82 mm
L/W Ratio1.38
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
9.52 mm6.88 mm2.81 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654310
Side View
Table 66.0%Crown 47.8°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 70.1%

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 28
Current: HK$80,661 HKD|Low: HK$10,310 HKD|High: HK$80,739 HKD|Avg: HK$30,936 HKD|-0.1%
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
October 30, 2026
Retailer 18HK$10,310 HKD
Retailer 17HK$11,338 HKD
Retailer 14HK$11,927 HKD
Retailer 2HK$14,464 HKD
Retailer 9HK$14,539 HKD
Retailer 13HK$15,881 HKD
Retailer 6HK$17,277 HKD
Retailer 15HK$20,252 HKD
Retailer 16HK$25,203 HKD
Retailer 11HK$25,755 HKD
Retailer 3HK$28,906 HKD
Retailer 12HK$34,040 HKD
Retailer 4HK$34,896 HKD
Retailer 10HK$35,037 HKD
Retailer 7HK$36,417 HKD
Retailer 5HK$39,397 HKD
Retailer 8HK$45,705 HKD
Brilliant EarthHK$80,661 HKD

36 data points across 18 retailers

21 retailersHK$10,310 HKD to HK$80,661 HKD

A
Cheapest Retailer
-
HK$10,310 HKD
$1,314 USD
Final sale: no returns
A
Retailer 2
-
HK$11,338 HKD
$1,445 USD
View
A
Retailer 3
-
HK$11,927 HKD
$1,520 USD
View
Retailer 4
-
HK$12,029 HKD
$1,533 USD
View
Price last confirmed 27 days ago
Retailer 5
-
HK$13,637 HKD
$1,738 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
HK$14,464 HKD
£1,452 GBP
View
Retailer 7
-
HK$14,539 HKD
$1,853 USD
View
Price last confirmed 26 days ago
A
Retailer 8
-
HK$15,881 HKD
$2,024 USD
View
A
Retailer 9
-
HK$17,277 HKD
€2,097 EUR
View
A
Retailer 10
-
HK$20,252 HKD
$2,581 USD
View
B+
Retailer 11
-
HK$25,203 HKD
$3,212 USD
View
B+
Retailer 12
-
HK$25,755 HKD
ZAR 53,028 ZAR
View
Retailer 13
-
HK$27,251 HKD
$3,473 USD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
HK$28,906 HKD
$3,684 USD
View
B+
Retailer 15
-
HK$34,040 HKD
£3,416 GBP
View
B+
Retailer 16
-
HK$34,896 HKD
$4,447 USD
View
Retailer 17
-
HK$35,037 HKD
£3,516 GBP
View
Price last confirmed 25 days ago
B+
Retailer 18
-
HK$36,417 HKD
SGD 6,272 SGD
View
B+
Retailer 19
-
HK$39,397 HKD
$5,021 USD
View
Retailer 20
-
HK$45,705 HKD
$5,825 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21434055A · Oct 29
HK$80,661 HKD
$10,280 USD
View
20 more retailers have this diamond
Prices start from HK$10,310 HKDSave up to HK$70,351 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
2.81ct Radiant
HK$10,310 HKD