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Radiant|Lab Grown|IGI

3.06ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG731566869

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

Certificate IGI LG731566869

Diamond specifications and retailer prices

From $1,231 USD
As of October 30, 2026
Save $6,779 USD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $8,010 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.06ct lab-grown radiant diamond

This 3.06ct 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 LG731566869 or 731566869. Listed at 25 retailers as of October 30, 2026, with prices from $1,231 to $8,010, a $6,779 spread on the same certified stone. Brilliant Earth lists it at $8,010. 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

3.06
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731566869
Dimensions10.11 × 7.32 × 4.83 mm
L/W Ratio1.38
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
10.11 mm7.32 mm3.06 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731566869
Side View
Table 64.0%Crown 40.7°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 66.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,010 USD|Low: $1,231 USD|High: $11,790 USD|Avg: $3,187 USD|-32.1%
Brilliant Earth
Retailer 2
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Retailer 24
October 30, 2026
Retailer 18$1,231 USD
Retailer 13$1,378 USD
Retailer 4$1,428 USD
Retailer 10$1,466 USD
Retailer 7$1,640 USD
Retailer 20$1,728 USD
Retailer 16$1,788 USD
Retailer 23$2,068 USD
Retailer 12$2,345 USD
Retailer 8$2,489 USD
Retailer 14$2,912 USD
Retailer 11$2,929 USD
Retailer 15$3,008 USD
Retailer 5$3,315 USD
Retailer 3$3,444 USD
Retailer 9$3,535 USD
Retailer 17$4,039 USD
Retailer 2$4,096 USD
Retailer 19$4,482 USD
Retailer 24$5,006 USD
Retailer 22$5,019 USD
Retailer 6$5,047 USD
Retailer 21$5,448 USD
Brilliant Earth$8,010 USD

29 data points across 24 retailers

25 retailers$1,231 USD to $8,010 USD

A
Cheapest Retailer
-
$1,231 USD
A
Retailer 2
-
$1,378 USD
View
Final sale: no returns
A
Retailer 3
-
$1,428 USD
View
A
Retailer 4
-
$1,466 USD
View
A
Retailer 5
-
$1,640 USD
View
A
Retailer 6
-
$1,728 USD
HK$13,500 HKD
View
A
Retailer 7
-
$1,788 USD
View
A
Retailer 8
-
$2,068 USD
£1,628 GBP
View
A
Retailer 9
-
$2,345 USD
View
Retailer 10
-
$2,489 USD
€2,370 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
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$2,912 USD
View
A
Retailer 12
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$2,929 USD
View
A
Retailer 13
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$3,008 USD
View
A
Retailer 14
-
$3,315 USD
ZAR 53,551 ZAR
View
B+
Retailer 15
-
$3,444 USD
£2,712 GBP
View
Retailer 16
-
$3,535 USD
A$5,438 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$4,039 USD
View
B+
Retailer 18
-
$4,096 USD
View
B+
Retailer 19
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$4,482 USD
View
B+
Retailer 20
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$5,006 USD
View
B+
Retailer 21
-
$5,019 USD
SGD 6,783 SGD
View
B+
Retailer 22
-
$5,047 USD
£3,974 GBP
View
B+
Retailer 23
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$5,448 USD
View
Retailer 24
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$6,807 USD
A$10,472 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
Brilliant Earth
15998599A · Oct 30
$8,010 USD
View
24 more retailers have this diamond
Prices start from $1,231 USDSave up to $6,779 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
3.06ct Radiant
$1,231 USD