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Radiant|Lab Grown|IGI

3.16ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG744513464

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG744513464

Diamond specifications and retailer prices

From $1,151 USD
As of October 27, 2026
Save $9,069 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,220 USD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.16ct lab-grown radiant diamond

This 3.16ct 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 LG744513464 or 744513464. Listed at 17 retailers as of October 27, 2026, with prices from $1,151 to $10,220, a $9,069 spread on the same certified stone. Do Amore Diamonds lists it at $10,220. 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

3.16
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513464
Dimensions10.13 × 7.23 × 7.23 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
10.13 mm7.23 mm3.16 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513464
Side View
Table 64.0%Crown 43.9°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $10,220 USD|Low: $1,151 USD|High: $10,610 USD|Avg: $3,998 USD|-3.7%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 29, 2026
Retailer 13$1,151 USD
Retailer 17$1,252 USD
Retailer 2$1,325 USD
Retailer 9$1,390 USD
Retailer 15$1,502 USD
Retailer 14$2,119 USD
Retailer 12$2,375 USD
Retailer 3$2,393 USD
Retailer 8$2,450 USD
Retailer 16$2,630 USD
Retailer 11$3,277 USD
Retailer 4$3,390 USD
Retailer 10$4,321 USD
Retailer 5$5,385 USD
Retailer 6$7,043 USD
Retailer 7$8,580 USD
Do Amore Diamonds$10,220 USD

29 data points across 17 retailers

17 retailers$1,151 USD to $10,220 USD

A
Cheapest Retailer
-
$1,151 USD
A
Retailer 2
-
$1,252 USD
View
A
Retailer 3
-
$1,325 USD
View
A
Retailer 4
-
$1,390 USD
View
Final sale: no returns
A
Retailer 5
-
$1,502 USD
View
A
Retailer 6
-
$2,119 USD
View
A
Retailer 7
-
$2,375 USD
View
A
Retailer 8
-
$2,393 USD
€2,279 EUR
View
A
Retailer 9
-
$2,450 USD
View
A
Retailer 10
-
$2,630 USD
View
A
Retailer 11
-
$3,277 USD
View
A
Retailer 12
-
$3,390 USD
A$5,216 AUD
View
B+
Retailer 13
-
$4,321 USD
£3,402 GBP
View
B+
Retailer 14
-
$5,385 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$7,043 USD
A$10,835 AUD
View
Price last confirmed 20 days ago
B
Retailer 16
-
$8,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-11CF91F27 · Oct 28
$10,220 USD
View
16 more retailers have this diamond
Prices start from $1,151 USDSave up to $9,069 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.16ct Radiant
$1,151 USD