Round|Lab Grown|IGI

3.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG617440041

Shape and cutting style on the report: Round brilliant

Certificate IGI LG617440041

Diamond specifications and retailer prices

From $508 USD
As of October 29, 2026
Save $4,002 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,510 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown round diamond

This 3.51ct 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 LG617440041 or 617440041. Listed at 19 retailers as of October 29, 2026, with prices from $508 to $4,510, a $4,002 spread on the same certified stone. Do Amore Diamonds lists it at $4,510. 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

3.51
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617440041
Dimensions9.64 × 9.57 × 6.01 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
9.64 mm9.57 mm3.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617440041
Side View
Table 61.0%Crown 36.1°GirdlePavilion 41.2°Culet: NoneDepth 62.5%

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: $3,580 USD|Low: $487 USD|High: $4,640 USD|Avg: $1,324 USD|-21.7%
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
October 30, 2026
Retailer 13$508 USD
Retailer 12$568 USD
Retailer 2$629 USD
Retailer 4$629 USD
Retailer 10$765 USD
Retailer 3$830 USD
Retailer 5$931 USD
Retailer 7$969 USD
Retailer 6$1,467 USD
Retailer 9$1,509 USD
Retailer 11$1,624 USD
Retailer 8$3,031 USD
Retailer 1$3,580 USD

40 data points across 13 retailers

19 retailers$508 USD to $4,510 USD

A
Cheapest Retailer
-
$508 USD
A
Retailer 2
-
$568 USD
View
Final sale: no returns
A
Retailer 3
-
$568 USD
View
Retailer 4
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$629 USD
View
Price last confirmed 14 days ago
A
Retailer 5
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$629 USD
View
A
Retailer 6
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$765 USD
View
A
Retailer 7
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$825 USD
View
B+
Retailer 8
-
$830 USD
View
A
Retailer 9
-
$931 USD
View
A
Retailer 10
-
$969 USD
£763 GBP
View
B+
Retailer 11
-
$1,467 USD
A$2,257 AUD
View
B+
Retailer 12
-
$1,509 USD
ZAR 24,373 ZAR
View
B
Retailer 13
-
$1,624 USD
View
B
Retailer 14
-
$1,827 USD
View
B
Retailer 15
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$2,161 USD
View
B
Retailer 16
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$2,369 USD
View
B
Retailer 17
-
$3,031 USD
£2,387 GBP
View
B
Retailer 18
-
$3,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-752DB3F3E · Oct 29
$4,510 USD
View
18 more retailers have this diamond
Prices start from $508 USDSave up to $4,002 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
3.51ct Round
$508 USD