Radiant|Lab Grown|IGI

3.50ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG717512399

Certificate IGI LG717512399

Diamond specifications and retailer prices

From $3,021 USD
Save $15,549 USD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $18,570 USD at Do Amore Diamonds
View at Do Amore Diamonds

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 top-tier cut grade and certified by IGI LG717512399 or 717512399. Listed at 21 retailers, with prices from $3,021 to $18,570 at Do Amore Diamonds, a $15,549 spread on the same certified stone. 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
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717512399
Dimensions11.29 × 7.61 × 4.86 mm
L/W Ratio1.48
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
11.29 mm7.61 mm3.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717512399
Side View
Table 57.0%Crown 32.7°Girdle: STK-THKPavilion 33°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
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: $18,570 USD|Low: $2,157 USD|High: $18,570 USD|Avg: $7,218 USD
Do Amore Diamonds
Retailer 2
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Retailer 20
September 29, 2026
Retailer 20$3,021 USD
Retailer 8$3,137 USD
Retailer 18$3,161 USD
Retailer 5$3,290 USD
Retailer 9$4,083 USD
Retailer 4$4,559 USD
Retailer 2$4,768 USD
Retailer 6$4,797 USD
Retailer 3$5,959 USD
Retailer 16$6,255 USD
Retailer 11$7,417 USD
Retailer 14$7,814 USD
Retailer 13$7,878 USD
Retailer 19$8,805 USD
Retailer 15$8,863 USD
Retailer 7$9,052 USD
Retailer 17$11,801 USD
Retailer 10$12,030 USD
Retailer 12$15,750 USD
Do Amore Diamonds$18,570 USD

37 data points across 20 retailers

21 retailers$3,021 USD to $18,570 USD

A
Cheapest Retailer
-
$3,021 USD
A
Retailer 2
-
$3,137 USD
View
A
Retailer 3
-
$3,161 USD
View
A
Retailer 4
-
$3,290 USD
View
A
Retailer 5
-
$4,083 USD
HK$31,900 HKD
View
A
Retailer 6
-
$4,559 USD
View
B+
Retailer 7
-
$4,779 USD
£3,763 GBP
View
B+
Retailer 8
-
$4,797 USD
View
B+
Retailer 9
-
$5,959 USD
£4,692 GBP
View
B+
Retailer 10
-
$6,255 USD
View
B+
Retailer 11
-
$7,417 USD
£5,840 GBP
View
B
Retailer 12
-
$7,814 USD
A$12,022 AUD
View
B
Retailer 13
-
$7,878 USD
ZAR 127,270 ZAR
View
B
Retailer 14
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$8,537 USD
View
B
Retailer 15
-
$8,805 USD
View
B
Retailer 16
-
$8,863 USD
£6,979 GBP
View
B
Retailer 17
-
$9,052 USD
View
B
Retailer 18
-
$11,801 USD
SGD 15,947 SGD
View
B
Retailer 19
-
$12,030 USD
View
B
Retailer 20
-
$15,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-4D0E3A785 · Sep 30
$18,570 USD
View
20 more retailers have this diamond
Prices start from $3,021 USDSave up to $15,549 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
$3,021 USD