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Radiant|Lab Grown|IGI

3.13ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG818654284

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

Certificate IGI LG818654284

Diamond specifications and retailer prices

From HK$15,975 HKD
$2,036 USD
As of October 27, 2026
Save HK$74,258 HKD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$90,234 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.13ct lab-grown radiant diamond

This 3.13ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654284 or 818654284. Listed at 22 retailers as of October 27, 2026, with prices from HK$15,975 to HK$90,234, a HK$74,258 spread on the same certified stone. Brilliant Earth lists it at HK$90,234. 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

3.13
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654284
Dimensions9.87 × 7.26 × 4.99 mm
L/W Ratio1.36
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
9.87 mm7.26 mm3.13 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654284
Side View
Table 59.0%Crown 40.9°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 68.7%

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 27
Current: HK$90,234 HKD|Low: HK$15,975 HKD|High: HK$90,312 HKD|Avg: HK$40,307 HKD|+1.2%
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
Retailer 20
Retailer 21
October 30, 2026
Retailer 10HK$15,975 HKD
Retailer 18HK$17,380 HKD
Retailer 9HK$18,525 HKD
Retailer 6HK$18,784 HKD
Retailer 19HK$19,561 HKD
Retailer 17HK$19,851 HKD
Retailer 8HK$25,469 HKD
Retailer 2HK$25,491 HKD
Retailer 3HK$27,078 HKD
Retailer 4HK$27,196 HKD
Retailer 21HK$28,992 HKD
Retailer 20HK$30,945 HKD
Retailer 5HK$35,156 HKD
Retailer 13HK$43,026 HKD
Retailer 7HK$48,404 HKD
Retailer 16HK$51,159 HKD
Retailer 15HK$53,203 HKD
Retailer 11HK$64,826 HKD
Retailer 14HK$65,577 HKD
Retailer 12HK$71,810 HKD
Brilliant EarthHK$90,234 HKD

29 data points across 21 retailers

22 retailersHK$15,975 HKD to HK$90,234 HKD

A
Cheapest Retailer
-
HK$15,975 HKD
$2,036 USD
A
Retailer 2
-
HK$17,380 HKD
$2,215 USD
View
A
Retailer 3
-
HK$18,525 HKD
$2,361 USD
View
A
Retailer 4
-
HK$18,784 HKD
$2,394 USD
View
Final sale: no returns
A
Retailer 5
-
HK$19,561 HKD
$2,493 USD
View
Retailer 6
-
HK$19,600 HKD
$2,498 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
HK$19,851 HKD
$2,530 USD
View
A
Retailer 8
-
HK$25,469 HKD
$3,246 USD
View
A
Retailer 9
-
HK$25,491 HKD
£2,558 GBP
View
A
Retailer 10
-
HK$27,078 HKD
$3,451 USD
View
A
Retailer 11
-
HK$27,196 HKD
$3,466 USD
View
B+
Retailer 12
-
HK$28,992 HKD
$3,695 USD
View
B+
Retailer 13
-
HK$30,945 HKD
€3,756 EUR
View
B+
Retailer 14
-
HK$35,156 HKD
£3,528 GBP
View
B+
Retailer 15
-
HK$43,026 HKD
ZAR 88,587 ZAR
View
B+
Retailer 16
-
HK$48,404 HKD
$6,169 USD
View
B+
Retailer 17
-
HK$51,159 HKD
$6,520 USD
View
B+
Retailer 18
-
HK$53,203 HKD
£5,339 GBP
View
B
Retailer 19
-
HK$64,826 HKD
$8,262 USD
View
B
Retailer 20
-
HK$65,577 HKD
SGD 11,294 SGD
View
B
Retailer 21
-
HK$71,810 HKD
$9,152 USD
View
Most Expensive
B
Brilliant Earth
21434192A · Oct 29
HK$90,234 HKD
$11,500 USD
View
21 more retailers have this diamond
Prices start from HK$15,975 HKDSave up to HK$74,258 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
3.13ct Radiant
HK$15,975 HKD