Radiant|Lab Grown|IGI

3.50ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG687568483

Certificate IGI LG687568483

Diamond specifications and retailer prices

From $3,108 USD
Save $15,992 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $19,100 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 LG687568483 or 687568483. Listed at 20 retailers, with prices from $3,108 to $19,100 at Do Amore Diamonds, a $15,992 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 angle39.3°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687568483
Dimensions11.23 × 7.58 × 4.87 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
11.23 mm7.58 mm3.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687568483
Side View
Table 66.0%Crown 39.3°Girdle: MediumPavilion 32.8°Culet: NoneDepth 64.2%

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: $19,100 USD|Low: $2,219 USD|High: $20,800 USD|Avg: $8,426 USD|-8.2%
Do Amore Diamonds
Retailer 2
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Retailer 15
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Retailer 19
Retailer 20
October 1, 2026
Retailer 5$3,108 USD
Retailer 7$3,151 USD
Retailer 3$3,317 USD
Retailer 9$3,380 USD
Retailer 14$4,813 USD
Retailer 15$4,828 USD
Retailer 13$5,011 USD
Retailer 6$6,126 USD
Retailer 18$6,290 USD
Retailer 17$8,042 USD
Retailer 16$8,102 USD
Retailer 4$8,786 USD
Retailer 2$9,117 USD
Retailer 10$9,299 USD
Retailer 8$10,155 USD
Retailer 19$11,980 USD
Retailer 11$12,384 USD
Retailer 12$15,750 USD
Retailer 20$16,978 USD
Do Amore Diamonds$19,100 USD

39 data points across 20 retailers

20 retailers$3,108 USD to $19,100 USD

A
Cheapest Retailer
-
$3,108 USD
A
Retailer 2
-
$3,151 USD
View
A
Retailer 3
-
$3,317 USD
View
A
Retailer 4
-
$3,380 USD
View
B+
Retailer 5
-
$4,824 USD
£3,798 GBP
View
B+
Retailer 6
-
$4,828 USD
View
B+
Retailer 7
-
$5,011 USD
View
B+
Retailer 8
-
$6,126 USD
£4,824 GBP
View
B+
Retailer 9
-
$6,290 USD
View
B
Retailer 10
-
$8,042 USD
A$12,372 AUD
View
B
Retailer 11
-
$8,102 USD
ZAR 130,885 ZAR
View
B
Retailer 12
-
$8,786 USD
View
B+
Retailer 13
-
$9,117 USD
£7,179 GBP
View
B
Retailer 14
-
$9,299 USD
View
B
Retailer 15
-
$10,155 USD
View
B
Retailer 16
-
$11,980 USD
View
B
Retailer 17
-
$12,384 USD
View
B
Retailer 18
-
$15,750 USD
View
B
Retailer 19
-
$16,978 USD
View
Most Expensive
B
Do Amore Diamonds
27-07BDE7397 · Sep 30
$19,100 USD
View
19 more retailers have this diamond
Prices start from $3,108 USDSave up to $15,992 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
$3,108 USD