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Round|Lab Grown|IGI

3.05ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG720586712

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720586712

Diamond specifications and retailer prices

From $1,060 USD
As of October 29, 2026
Save $8,920 USD (89%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $9,980 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round 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 LG720586712 or 720586712. Listed at 30 retailers as of October 29, 2026, with prices from $1,060 to $9,980, a $8,920 spread on the same certified stone. Brilliant Earth lists it at $9,980. 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

3.05
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720586712
Dimensions9.39 × 9.35 × 5.67 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.39 mm9.35 mm3.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720586712
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

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 29
Current: $9,980 USD|Low: $1,023 USD|High: $14,470 USD|Avg: $2,969 USD|-31.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 12$1,152 USD
Retailer 7$1,333 USD
Retailer 13$1,590 USD
Retailer 16$1,590 USD
Retailer 2$1,627 USD
Retailer 11$1,693 USD
Retailer 4$2,202 USD
Retailer 8$2,355 USD
Retailer 15$2,359 USD
Retailer 14$2,393 USD
Retailer 9$2,462 USD
Retailer 5$3,317 USD
Retailer 10$3,616 USD
Retailer 6$3,728 USD
Retailer 3$5,084 USD
Brilliant Earth$9,980 USD

38 data points across 16 retailers

30 retailers$1,060 USD to $9,980 USD

Retailer 1
-
$914 USD
Price last confirmed 31 days ago
Retailer 2
-
$995 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$995 USD
View
Price last confirmed 23 days ago
Retailer 4
-
$1,046 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$1,060 USD
View
Retailer 6
-
$1,060 USD
View
Price last confirmed 20 days ago
Retailer 7
-
$1,060 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$1,152 USD
View
Final sale: no returns
A
Retailer 9
-
$1,293 USD
HK$10,100 HKD
View
A
Retailer 10
-
$1,333 USD
View
A
Retailer 11
-
$1,590 USD
View
A
Retailer 12
-
$1,590 USD
View
A
Retailer 13
-
$1,627 USD
£1,281 GBP
View
A
Retailer 14
-
$1,693 USD
€1,612 EUR
View
A
Retailer 15
-
$2,202 USD
A$3,388 AUD
View
A
Retailer 16
-
$2,355 USD
View
A
Retailer 17
-
$2,359 USD
View
Retailer 18
-
$2,393 USD
A$3,681 AUD
View
Price last confirmed 8 days ago
A
Retailer 19
-
$2,462 USD
ZAR 39,778 ZAR
View
A
Retailer 20
-
$2,711 USD
View
Retailer 21
-
$2,982 USD
View
Price last confirmed 29 days ago
Retailer 22
-
$2,982 USD
View
Price last confirmed 20 days ago
B+
Retailer 23
-
$3,317 USD
View
B+
Retailer 24
-
$3,473 USD
View
B+
Retailer 25
-
$3,616 USD
£2,847 GBP
View
B+
Retailer 26
-
$3,686 USD
View
B+
Retailer 27
-
$3,728 USD
SGD 5,038 SGD
View
B+
Retailer 28
-
$4,004 USD
View
Retailer 29
-
$5,084 USD
A$7,821 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
15368435A · Oct 29
$9,980 USD
View
29 more retailers have this diamond
Prices start from $1,060 USDSave up to $8,920 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
3.05ct Round
$1,060 USD