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 $1,440 USD
As of October 28, 2026
Save $10,190 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,630 USD at Brilliant Earth · As of October 29, 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 28, 2026, with prices from $1,440 to $11,630, a $10,190 spread on the same certified stone. Brilliant Earth lists it at $11,630. 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
Color
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

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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 28
Current: $11,630 USD|Low: $1,162 USD|High: $319,425 USD|Avg: $13,327 USD|-2.9%
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 29, 2026
Retailer 12$1,440 USD
Retailer 16$1,555 USD
Retailer 7$1,648 USD
Retailer 6$1,975 USD
Retailer 2$2,003 USD
Retailer 14$2,195 USD
Retailer 10$2,482 USD
Retailer 15$3,115 USD
Retailer 11$3,206 USD
Retailer 13$3,338 USD
Retailer 4$3,961 USD
Retailer 17$4,122 USD
Retailer 18$4,353 USD
Retailer 3$4,459 USD
Retailer 5$4,837 USD
Retailer 8$5,763 USD
Retailer 9$6,190 USD
Brilliant Earth$11,630 USD

28 data points across 18 retailers

19 retailers$1,440 USD to $11,630 USD

A
Cheapest Retailer
-
$1,440 USD
Final sale: no returns
A
Retailer 2
-
$1,555 USD
View
A
Retailer 3
-
$1,648 USD
View
A
Retailer 4
-
$1,975 USD
View
A
Retailer 5
-
$2,003 USD
£1,577 GBP
View
A
Retailer 6
-
$2,195 USD
€2,090 EUR
View
A
Retailer 7
-
$2,482 USD
View
Retailer 8
-
$3,115 USD
A$4,792 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$3,206 USD
ZAR 51,789 ZAR
View
A
Retailer 10
-
$3,338 USD
£2,628 GBP
View
B+
Retailer 11
-
$3,822 USD
View
B+
Retailer 12
-
$3,961 USD
View
B+
Retailer 13
-
$4,122 USD
View
B+
Retailer 14
-
$4,353 USD
View
B+
Retailer 15
-
$4,459 USD
£3,511 GBP
View
B+
Retailer 16
-
$4,837 USD
View
Retailer 17
-
$5,763 USD
A$8,866 AUD
View
Price last confirmed 21 days ago
Retailer 18
-
$6,190 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
18433876A · Oct 29
$11,630 USD
View
18 more retailers have this diamond
Prices start from $1,440 USDSave up to $10,190 USD

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
$1,440 USD