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Radiant|Lab Grown|IGI

3.50ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG772686353

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

Certificate IGI LG772686353

Diamond specifications and retailer prices

From HK$10,458 HKD
$1,333 USD
As of October 31, 2026
Save HK$57,956 HKD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$68,415 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.5ct lab-grown radiant diamond

This 3.5ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG772686353 or 772686353. Listed at 19 retailers as of October 30, 2026, with prices from HK$10,458 to HK$68,415, a HK$57,956 spread on the same certified stone. Brilliant Earth lists it at HK$68,415. 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

3.50
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772686353
Dimensions7.82 × 7.82 × 5.24 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm7.82 mm3.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772686353
Side View
Table 67.0%Crown 43.5°Girdle: MediumPavilion 36.5°Culet: NoneDepth 67.0%

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 31
Current: HK$68,415 HKD|Low: HK$9,117 HKD|High: HK$2,506,113 HKD|Avg: HK$101,379 HKD|-27.2%
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
October 31, 2026
Retailer 12HK$10,458 HKD
Retailer 17HK$12,200 HKD
Retailer 8HK$12,930 HKD
Retailer 7HK$15,495 HKD
Retailer 13HK$15,586 HKD
Retailer 11HK$17,267 HKD
Retailer 10HK$19,473 HKD
Retailer 16HK$24,438 HKD
Retailer 14HK$25,151 HKD
Retailer 15HK$26,185 HKD
Retailer 5HK$31,077 HKD
Retailer 18HK$32,340 HKD
Retailer 3HK$34,155 HKD
Retailer 4HK$34,984 HKD
Retailer 6HK$37,948 HKD
Retailer 2HK$44,653 HKD
Retailer 9HK$48,565 HKD
Brilliant EarthHK$68,415 HKD

30 data points across 18 retailers

19 retailersHK$10,458 HKD to HK$68,415 HKD

A
Cheapest Retailer
-
HK$10,458 HKD
$1,333 USD
Final sale: no returns
A
Retailer 2
-
HK$12,200 HKD
$1,555 USD
View
A
Retailer 3
-
HK$12,930 HKD
$1,648 USD
View
A
Retailer 4
-
HK$15,495 HKD
$1,975 USD
View
A
Retailer 5
-
HK$15,586 HKD
£1,564 GBP
View
A
Retailer 6
-
HK$17,267 HKD
€2,096 EUR
View
A
Retailer 7
-
HK$19,473 HKD
$2,482 USD
View
Retailer 8
-
HK$24,438 HKD
A$4,792 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
HK$25,151 HKD
ZAR 51,789 ZAR
View
A
Retailer 10
-
HK$26,185 HKD
£2,628 GBP
View
B+
Retailer 11
-
HK$29,986 HKD
$3,822 USD
View
B+
Retailer 12
-
HK$31,077 HKD
$3,961 USD
View
B+
Retailer 13
-
HK$32,340 HKD
$4,122 USD
View
B+
Retailer 14
-
HK$34,155 HKD
$4,353 USD
View
B+
Retailer 15
-
HK$34,984 HKD
£3,511 GBP
View
B+
Retailer 16
-
HK$37,948 HKD
$4,837 USD
View
B+
Retailer 17
-
HK$44,653 HKD
A$8,756 AUD
View
Retailer 18
-
HK$48,565 HKD
$6,190 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
18433876A · Oct 30
HK$68,415 HKD
$8,720 USD
View
18 more retailers have this diamond
Prices start from HK$10,458 HKDSave up to HK$57,956 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
3.50ct Radiant
HK$10,458 HKD