Radiant|Lab Grown|IGI

3.58ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG780661340

Certificate IGI LG780661340

Diamond specifications and retailer prices

From $2,989 USD
Save $15,011 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,000 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 3.58ct lab-grown radiant diamond

This 3.58ct 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 LG780661340 or 780661340. Listed at 14 retailers, with prices from $2,989 to $18,000 at Do Amore Diamonds, a $15,011 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

3.58
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661340
Dimensions10.67 × 7.63 × 5.07 mm
L/W Ratio1.40
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
10.67 mm7.63 mm3.58 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661340
Side View
Table 68.0%Crown 44.1°Girdle: STK-THKPavilion 35.8°Culet: NoneDepth 66.4%

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: Sep 30
Current: $18,000 USD|Low: $2,158 USD|High: $18,560 USD|Avg: $8,051 USD|-3.0%
Do Amore Diamonds
Retailer 2
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Retailer 12
Retailer 13
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Retailer 18
October 1, 2026
Retailer 17$2,989 USD
Retailer 18$3,022 USD
Retailer 4$3,195 USD
Retailer 6$3,299 USD
Retailer 3$4,024 USD
Retailer 11$4,650 USD
Retailer 16$5,206 USD
Retailer 9$6,127 USD
Retailer 14$6,215 USD
Retailer 12$7,574 USD
Retailer 15$8,243 USD
Retailer 13$8,592 USD
Retailer 2$8,980 USD
Retailer 8$11,109 USD
Retailer 7$12,089 USD
Retailer 5$14,900 USD
Retailer 10$15,656 USD
Do Amore Diamonds$18,000 USD

18 data points across 18 retailers

14 retailers$2,989 USD to $18,000 USD

A
Cheapest Retailer
-
$2,989 USD
A
Retailer 2
-
$3,022 USD
View
A
Retailer 3
-
$3,195 USD
View
A
Retailer 4
-
$3,299 USD
View
A
Retailer 5
-
$4,024 USD
View
A
Retailer 6
-
$4,650 USD
View
B+
Retailer 7
-
$5,206 USD
€4,958 EUR
View
B+
Retailer 8
-
$6,215 USD
View
B+
Retailer 9
-
$7,574 USD
A$11,653 AUD
View
B+
Retailer 10
-
$8,243 USD
View
B+
Retailer 11
-
$8,592 USD
£6,765 GBP
View
B+
Retailer 12
-
$8,980 USD
A$13,816 AUD
View
B
Retailer 13
-
$14,900 USD
View
Most Expensive
B
Do Amore Diamonds
27-633CC77FF · Sep 30
$18,000 USD
View
13 more retailers have this diamond
Prices start from $2,989 USDSave up to $15,011 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
3.58ct Radiant
$2,989 USD