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Round|Lab Grown|IGI

3.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG696574990

Shape and cutting style on the report: Round brilliant

Certificate IGI LG696574990

Diamond specifications and retailer prices

From $401 USD
As of November 5, 2026
Save $4,339 USD (92%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,740 USD at Brilliant Earth · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG696574990 or 696574990. Listed at 19 retailers as of November 5, 2026, with prices from $401 to $4,740, a $4,339 spread on the same certified stone. Brilliant Earth lists it at $4,740. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.05
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696574990
Dimensions9.35 × 9.28 × 5.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.35 mm9.28 mm3.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696574990
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
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: Nov 5
Current: $4,740 USD|Low: $385 USD|High: $4,740 USD|Avg: $1,254 USD|+21.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$401 USD
Retailer 8$448 USD
Retailer 11$497 USD
Retailer 7$645 USD
Retailer 3$659 USD
Retailer 4$728 USD
Retailer 2$895 USD
Retailer 9$1,394 USD
Retailer 6$1,905 USD
Retailer 5$2,009 USD
Brilliant Earth$4,740 USD

39 data points across 11 retailers

19 retailers$401 USD to $4,740 USD

A
Cheapest Retailer
-
$401 USD
A
Retailer 2
-
$448 USD
View
Final sale: no returns
A
Retailer 3
-
$449 USD
View
Retailer 4
-
$497 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$497 USD
View
A
Retailer 6
-
$645 USD
View
B+
Retailer 7
-
$659 USD
View
A
Retailer 8
-
$728 USD
View
A
Retailer 9
-
$801 USD
View
A
Retailer 10
-
$860 USD
View
A
Retailer 11
-
$895 USD
View
B+
Retailer 12
-
$1,394 USD
View
B
Retailer 13
-
$1,763 USD
View
B
Retailer 14
-
$1,825 USD
View
B
Retailer 15
-
$1,905 USD
View
B
Retailer 16
-
$1,913 USD
View
B
Retailer 17
-
$2,009 USD
View
B
Retailer 18
-
$3,560 USD
View
Most Expensive
B
Brilliant Earth
16265180A · Nov 5
$4,740 USD
View
18 more retailers have this diamond
Prices start from $401 USDSave up to $4,339 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
$401 USD