Radiant|Lab Grown|IGI

3.50ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG691569640

Certificate IGI LG691569640

Diamond specifications and retailer prices

From $2,932 USD
Save $15,078 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,010 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 LG691569640 or 691569640. Listed at 22 retailers, with prices from $2,932 to $18,010 at Do Amore Diamonds, a $15,078 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 angle40.5°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691569640
Dimensions11.08 × 7.69 × 4.95 mm
L/W Ratio1.44
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
11.08 mm7.69 mm3.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691569640
Side View
Table 61.0%Crown 40.5°Girdle: MediumPavilion 34.7°Culet: NoneDepth 64.4%

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: $18,010 USD|Low: $2,093 USD|High: $18,010 USD|Avg: $6,966 USD
Do Amore Diamonds
Retailer 2
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Retailer 17
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Retailer 19
Retailer 20
September 30, 2026
Retailer 4$2,932 USD
Retailer 20$3,078 USD
Retailer 7$3,121 USD
Retailer 6$3,200 USD
Retailer 2$3,955 USD
Retailer 9$4,428 USD
Retailer 13$4,626 USD
Retailer 14$4,655 USD
Retailer 5$5,776 USD
Retailer 18$6,220 USD
Retailer 12$7,417 USD
Retailer 16$7,582 USD
Retailer 15$7,643 USD
Retailer 17$8,599 USD
Retailer 3$8,762 USD
Retailer 10$8,799 USD
Retailer 19$11,452 USD
Retailer 11$11,679 USD
Retailer 8$15,750 USD
Do Amore Diamonds$18,010 USD

38 data points across 20 retailers

22 retailers$2,932 USD to $18,010 USD

A
Cheapest Retailer
-
$2,932 USD
A
Retailer 2
-
$3,078 USD
View
A
Retailer 3
-
$3,121 USD
View
A
Retailer 4
-
$3,200 USD
View
A
Retailer 5
-
$3,955 USD
HK$30,900 HKD
View
A
Retailer 6
-
$4,428 USD
View
A
Retailer 7
-
$4,534 USD
£3,570 GBP
View
Price last confirmed 22 days ago
A
Retailer 8
-
$4,636 USD
£3,650 GBP
View
A
Retailer 9
-
$4,655 USD
View
B+
Retailer 10
-
$5,776 USD
£4,548 GBP
View
B+
Retailer 11
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$6,220 USD
View
B+
Retailer 12
-
$7,417 USD
£5,840 GBP
View
B+
Retailer 13
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$7,582 USD
A$11,664 AUD
View
B+
Retailer 14
-
$7,643 USD
ZAR 123,479 ZAR
View
B
Retailer 15
-
$8,557 USD
View
B+
Retailer 16
-
$8,599 USD
£6,771 GBP
View
B
Retailer 17
-
$8,762 USD
View
B
Retailer 18
-
$8,799 USD
View
B
Retailer 19
-
$11,452 USD
SGD 15,476 SGD
View
B
Retailer 20
-
$11,679 USD
View
B
Retailer 21
-
$15,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-02BECFAF2 · Sep 30
$18,010 USD
View
21 more retailers have this diamond
Prices start from $2,932 USDSave up to $15,078 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
$2,932 USD