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Radiant|Lab Grown|IGI

3.17ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG771633522

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

Certificate IGI LG771633522

Diamond specifications and retailer prices

From $1,081 USD
As of October 30, 2026
Save $8,519 USD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,600 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.17ct lab-grown radiant diamond

This 3.17ct 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 LG771633522 or 771633522. Listed at 22 retailers as of October 29, 2026, with prices from $1,081 to $9,600, a $8,519 spread on the same certified stone. Do Amore Diamonds lists it at $9,600. 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

3.17
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771633522
Dimensions7.36 × 7.36 × 4.87 mm
L/W Ratio1.00
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
7.36 mm7.36 mm3.17 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771633522
Side View
Table 63.0%Crown 39.7°Girdle: MediumPavilion 35.7°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $9,600 USD|Low: $1,081 USD|High: $9,600 USD|Avg: $3,263 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 20$1,081 USD
Retailer 18$1,176 USD
Retailer 9$1,211 USD
Retailer 3$1,254 USD
Retailer 16$1,430 USD
Retailer 6$1,593 USD
Retailer 10$1,997 USD
Retailer 2$2,009 USD
Retailer 7$2,414 USD
Retailer 19$2,440 USD
Retailer 4$2,595 USD
Retailer 17$3,124 USD
Retailer 13$3,215 USD
Retailer 5$3,338 USD
Retailer 21$3,632 USD
Retailer 15$4,472 USD
Retailer 11$4,839 USD
Retailer 8$4,916 USD
Retailer 14$5,495 USD
Retailer 12$7,079 USD
Do Amore Diamonds$9,600 USD

43 data points across 21 retailers

22 retailers$1,081 USD to $9,600 USD

A
Cheapest Retailer
-
$1,081 USD
A
Retailer 2
-
$1,176 USD
View
A
Retailer 3
-
$1,211 USD
View
Final sale: no returns
A
Retailer 4
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$1,254 USD
View
A
Retailer 5
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$1,430 USD
View
A
Retailer 6
-
$1,593 USD
View
A
Retailer 7
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$1,997 USD
View
A
Retailer 8
-
$2,009 USD
£1,582 GBP
View
A
Retailer 9
-
$2,414 USD
View
A
Retailer 10
-
$2,440 USD
View
A
Retailer 11
-
$2,595 USD
View
Retailer 12
-
$3,124 USD
A$4,806 AUD
View
Price last confirmed 8 days ago
A
Retailer 13
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$3,215 USD
ZAR 51,934 ZAR
View
A
Retailer 14
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$3,338 USD
£2,628 GBP
View
A
Retailer 15
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$3,632 USD
View
B+
Retailer 16
-
$4,472 USD
£3,521 GBP
View
B+
Retailer 17
-
$4,839 USD
SGD 6,539 SGD
View
B+
Retailer 18
-
$4,916 USD
View
Retailer 19
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$5,495 USD
View
Price last confirmed 25 days ago
Retailer 20
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$7,079 USD
A$10,890 AUD
View
Price last confirmed 25 days ago
B
Retailer 21
-
$8,610 USD
View
Most Expensive
B
Do Amore Diamonds
27-C6E586AF3 · Oct 29
$9,600 USD
View
21 more retailers have this diamond
Prices start from $1,081 USDSave up to $8,519 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
3.17ct Radiant
$1,081 USD