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Round|Lab Grown|IGI

3.05ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG631426155

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631426155

Diamond specifications and retailer prices

From $1,347 USD
CA$1,870 CAD
As of October 30, 2026
Save $1,023 USD (43%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,370 USD at Brilliant Earth · As of October 31, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG631426155 or 631426155. Listed at 3 retailers as of October 30, 2026, with prices from $1,347 to $2,370, a $1,023 spread on the same certified stone. Brilliant Earth lists it at $2,370. 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
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631426155
Dimensions9.22 × 9.17 × 5.77 mm
L/W Ratio1.01
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 mm9.17 mm3.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631426155
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

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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: Oct 30
Current: $2,370 USD|Low: $264 USD|High: $4,310 USD|Avg: $1,335 USD|-45.0%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
August 3, 2026
Retailer 12$550 USD
Retailer 6$706 USD
Retailer 10$825 USD
Retailer 3$866 USD
Retailer 5$888 USD
Retailer 7$891 USD
Retailer 14$1,059 USD
Retailer 8$1,127 USD
Retailer 11$1,347 USD
Retailer 13$1,556 USD
Retailer 2$1,781 USD
Retailer 9$1,948 USD
Brilliant Earth$2,370 USD
Retailer 4$2,820 USD

61 data points across 14 retailers

3 retailers$1,347 USD to $2,370 USD

B+
Cheapest Retailer
-
$1,347 USD
CA$1,870 CAD
B
Retailer 2
-
$1,781 USD
View
Most Expensive
B
Brilliant Earth
19476484Y · Oct 31
$2,370 USD
View
2 more retailers have this diamond
Prices start from $1,347 USDSave up to $1,023 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
$1,347 USD