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Round|Lab Grown|IGI

3.05ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG625472864

Shape and cutting style on the report: Round brilliant

Certificate IGI LG625472864

Diamond specifications and retailer prices

From $1,217 USD
As of November 5, 2026
Save $393 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,610 USD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625472864 or 625472864. Listed at 2 retailers as of November 5, 2026, with prices from $1,217 to $1,610, a $393 spread on the same certified stone. The Diamond Guys lists it at $1,610. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625472864
Dimensions9.22 × 9.18 × 5.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.22 mm9.18 mm3.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625472864
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,863 USD|Low: $241 USD|High: $4,160 USD|Avg: $1,194 USD|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
August 3, 2026
Retailer 5$607 USD
Retailer 4$653 USD
Retailer 8$745 USD
Retailer 2$815 USD
Retailer 12$820 USD
Retailer 9$862 USD
Retailer 11$1,008 USD
Retailer 6$1,067 USD
Retailer 10$1,217 USD
The Diamond Guys$1,610 USD
Retailer 1$1,863 USD
Retailer 7$2,500 USD
Retailer 13$2,570 USD
Retailer 3$2,670 USD

66 data points across 14 retailers

2 retailers$1,217 USD to $1,610 USD

B+
Cheapest Retailer
-
$1,217 USD
Most Expensive
B
The Diamond Guys
1954434425 · Nov 6
$1,610 USD
View
1 more retailer has this diamond
Prices start from $1,217 USDSave up to $393 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.

B+
3.05ct Round
$1,217 USD