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Radiant|Lab Grown|IGI

3.51ct E IF Radiant Lab Grown Diamond

VG • E/IF • IGI LG673412609

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

Certificate IGI LG673412609

Diamond specifications and retailer prices

From HK$9,988 HKD
$1,273 USD
As of October 30, 2026
Save HK$58,819 HKD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$68,807 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG673412609 or 673412609. Listed at 23 retailers as of October 30, 2026, with prices from HK$9,988 to HK$68,807, a HK$58,819 spread on the same certified stone. Brilliant Earth lists it at HK$68,807. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.51
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.3°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673412609
Dimensions10.24 × 7.14 × 5.11 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm7.14 mm3.51 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG673412609
Side View
Table 65.0%Crown 27.3°Girdle: Slightly ThickPavilion 32.4°Culet: NoneDepth 71.6%

Caratlytics Score

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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$68,807 HKD|Low: HK$9,587 HKD|High: HK$91,716 HKD|Avg: HK$25,029 HKD|-25.0%
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 31, 2026
Retailer 20HK$9,988 HKD
Retailer 8HK$11,180 HKD
Retailer 11HK$11,588 HKD
Retailer 21HK$11,588 HKD
Retailer 15HK$12,789 HKD
Retailer 6HK$12,945 HKD
Retailer 10HK$14,138 HKD
Retailer 13HK$16,189 HKD
Retailer 18HK$16,570 HKD
Retailer 2HK$20,389 HKD
Retailer 3HK$21,591 HKD
Retailer 7HK$21,717 HKD
Retailer 19HK$26,207 HKD
Retailer 16HK$26,901 HKD
Retailer 12HK$27,979 HKD
Retailer 9HK$32,717 HKD
Retailer 5HK$33,242 HKD
Retailer 4HK$36,227 HKD
Retailer 17HK$37,425 HKD
Retailer 14HK$38,789 HKD
Brilliant EarthHK$68,807 HKD

35 data points across 21 retailers

23 retailersHK$9,988 HKD to HK$68,807 HKD

A
Cheapest Retailer
-
HK$9,988 HKD
$1,273 USD
A
Retailer 2
-
HK$10,866 HKD
$1,385 USD
View
A
Retailer 3
-
HK$11,180 HKD
$1,425 USD
View
Final sale: no returns
A
Retailer 4
-
HK$11,588 HKD
$1,477 USD
View
Retailer 5
-
HK$11,588 HKD
$1,477 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
HK$12,789 HKD
£1,284 GBP
View
A
Retailer 7
-
HK$12,945 HKD
$1,650 USD
View
A
Retailer 8
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HK$14,138 HKD
$1,802 USD
View
A
Retailer 9
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HK$16,189 HKD
£1,625 GBP
View
A
Retailer 10
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HK$16,570 HKD
$2,112 USD
View
A
Retailer 11
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HK$20,389 HKD
€2,475 EUR
View
A
Retailer 12
-
HK$21,591 HKD
$2,752 USD
View
A
Retailer 13
-
HK$21,717 HKD
$2,768 USD
View
Retailer 14
-
HK$26,207 HKD
A$5,139 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
HK$26,901 HKD
ZAR 55,392 ZAR
View
B+
Retailer 16
-
HK$27,979 HKD
£2,808 GBP
View
B+
Retailer 17
-
HK$32,717 HKD
$4,170 USD
View
B+
Retailer 18
-
HK$33,242 HKD
$4,237 USD
View
B+
Retailer 19
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HK$36,227 HKD
$4,617 USD
View
B+
Retailer 20
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HK$37,425 HKD
£3,756 GBP
View
B+
Retailer 21
-
HK$38,789 HKD
SGD 6,681 SGD
View
B+
Retailer 22
-
HK$40,656 HKD
$5,182 USD
View
Most Expensive
B
Brilliant Earth
21311697A · Oct 30
HK$68,807 HKD
$8,770 USD
View
22 more retailers have this diamond
Prices start from HK$9,988 HKDSave up to HK$58,819 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$9,988 HKD