Radiant|Lab Grown|IGI

3.50ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG689590902

Certificate IGI LG689590902

Diamond specifications and retailer prices

From $2,373 USD
Save $13,527 USD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,900 USD at Brilliant Earth
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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG689590902 or 689590902. Listed at 20 retailers, with prices from $2,373 to $15,900 at Brilliant Earth, a $13,527 spread on the same certified stone. 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

3.50
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689590902
Dimensions10.89 × 7.31 × 4.93 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.89 mm7.31 mm3.50 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689590902
Side View
Table 54.0%Crown 42.9°Girdle: MED-STKPavilion 30.1°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $15,900 USD|Low: $1,689 USD|High: $15,900 USD|Avg: $5,899 USD
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
October 1, 2026
Retailer 14$2,373 USD
Retailer 11$2,575 USD
Retailer 9$3,191 USD
Retailer 16$3,441 USD
Retailer 10$3,515 USD
Retailer 13$3,614 USD
Retailer 8$3,707 USD
Retailer 3$4,663 USD
Retailer 5$5,833 USD
Retailer 4$5,883 USD
Retailer 7$6,380 USD
Retailer 12$6,664 USD
Retailer 2$6,753 USD
Retailer 15$7,320 USD
Retailer 6$8,172 USD
Retailer 17$8,598 USD
Brilliant Earth$15,900 USD

34 data points across 17 retailers

20 retailers$2,373 USD to $15,900 USD

A
Cheapest Retailer
-
$2,373 USD
A
Retailer 2
-
$2,575 USD
View
A
Retailer 3
-
$3,448 USD
£2,715 GBP
View
A
Retailer 4
-
$3,515 USD
View
A
Retailer 5
-
$3,614 USD
View
A
Retailer 6
-
$3,707 USD
€3,530 EUR
View
Price last confirmed 47 days ago
B+
Retailer 7
-
$4,542 USD
£3,576 GBP
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$4,663 USD
£3,672 GBP
View
B+
Retailer 9
-
$5,833 USD
A$8,974 AUD
View
B+
Retailer 10
-
$5,883 USD
ZAR 95,040 ZAR
View
B+
Retailer 11
-
$6,380 USD
View
B+
Retailer 12
-
$6,664 USD
View
B+
Retailer 13
-
$6,753 USD
£5,317 GBP
View
B+
Retailer 14
-
$7,141 USD
View
B+
Retailer 15
-
$7,320 USD
View
B
Retailer 16
-
$8,172 USD
A$12,573 AUD
View
B
Retailer 17
-
$8,598 USD
View
B
Retailer 18
-
$15,750 USD
View
B
Retailer 19
-
$15,800 USD
View
Price last confirmed 29 days ago
Most Expensive
B
Brilliant Earth
14020087A · Oct 1
$15,900 USD
View
19 more retailers have this diamond
Prices start from $2,373 USDSave up to $13,527 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.

A
3.50ct Radiant
$2,373 USD