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Radiant|Lab Grown|IGI

3.51ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG784645765

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

Certificate IGI LG784645765

Diamond specifications and retailer prices

From HK$16,139 HKD
$2,057 USD
As of October 30, 2026
Save HK$94,878 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$111,017 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown radiant diamond

This 3.51ct 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 LG784645765 or 784645765. Listed at 14 retailers as of October 30, 2026, with prices from HK$16,139 to HK$111,017, a HK$94,878 spread on the same certified stone. Do Amore Diamonds lists it at HK$111,017. 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

3.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645765
Dimensions10.50 × 7.46 × 5.08 mm
L/W Ratio1.41
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
10.50 mm7.46 mm3.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645765
Side View
Table 65.0%Crown 45.8°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: HK$111,017 HKD|Low: HK$16,139 HKD|High: HK$128,983 HKD|Avg: HK$43,321 HKD|-13.9%
Do Amore Diamonds
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 10HK$16,139 HKD
Retailer 4HK$17,559 HKD
Retailer 12HK$19,151 HKD
Retailer 9HK$20,046 HKD
Retailer 6HK$22,078 HKD
Retailer 3HK$27,342 HKD
Retailer 14HK$28,409 HKD
Retailer 11HK$29,288 HKD
Retailer 13HK$30,033 HKD
Retailer 5HK$34,913 HKD
Retailer 8HK$50,487 HKD
Retailer 7HK$56,377 HKD
Retailer 2HK$73,985 HKD
Do Amore DiamondsHK$111,017 HKD

34 data points across 14 retailers

14 retailersHK$16,139 HKD to HK$111,017 HKD

A+
Cheapest Retailer
-
HK$16,139 HKD
$2,057 USD
A
Retailer 2
-
HK$17,559 HKD
$2,238 USD
View
A
Retailer 3
-
HK$19,151 HKD
$2,441 USD
View
A
Retailer 4
-
HK$20,046 HKD
$2,555 USD
View
A
Retailer 5
-
HK$22,078 HKD
$2,814 USD
View
Final sale: no returns
A
Retailer 6
-
HK$27,342 HKD
$3,485 USD
View
A
Retailer 7
-
HK$28,409 HKD
$3,621 USD
View
A
Retailer 8
-
HK$29,288 HKD
$3,733 USD
View
A
Retailer 9
-
HK$30,033 HKD
$3,828 USD
View
Retailer 10
-
HK$34,913 HKD
€4,238 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$50,487 HKD
$6,435 USD
View
B+
Retailer 12
-
HK$56,377 HKD
£5,658 GBP
View
B
Retailer 13
-
HK$73,985 HKD
$9,430 USD
View
Most Expensive
B
Do Amore Diamonds
27-CA01E9BDD · Oct 30
HK$111,017 HKD
$14,150 USD
View
13 more retailers have this diamond
Prices start from HK$16,139 HKDSave up to HK$94,878 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+
3.51ct Radiant
HK$16,139 HKD