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Round|Lab Grown|IGI

1.51ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG784654518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784654518

Diamond specifications and retailer prices

From $220 USD
As of October 29, 2026
Save $2,371 USD (92%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,591 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784654518 or 784654518. Listed at 24 retailers as of October 27, 2026, with prices from $220 to $2,591, a $2,371 spread on the same certified stone. Queensmith lists it at $2,591. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784654518
Dimensions7.33 × 7.35 × 4.52 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
7.33 mm7.35 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784654518
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.6%

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: Oct 29
Current: $1,200 USD|Low: $220 USD|High: $1,420 USD|Avg: $668 USD|-15.5%
Retailer 1
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Retailer 22
October 29, 2026
Retailer 7$220 USD
Retailer 9$245 USD
Retailer 2$255 USD
Retailer 14$272 USD
Retailer 21$272 USD
Retailer 4$368 USD
Retailer 18$442 USD
Retailer 8$464 USD
Retailer 19$468 USD
Retailer 12$503 USD
Retailer 3$526 USD
Retailer 16$538 USD
Retailer 15$577 USD
Retailer 20$636 USD
Retailer 13$875 USD
Retailer 6$878 USD
Retailer 10$928 USD
Retailer 17$987 USD
Retailer 22$1,092 USD
Retailer 11$1,108 USD
Retailer 1$1,200 USD
Retailer 5$1,256 USD

29 data points across 22 retailers

24 retailers$220 USD to $2,591 USD

A
Cheapest Retailer
-
$220 USD
A
Retailer 2
-
$245 USD
View
Final sale: no returns
A
Retailer 3
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$255 USD
View
A
Retailer 4
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$272 USD
View
A
Retailer 5
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$272 USD
View
B+
Retailer 6
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$368 USD
View
A
Retailer 7
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$442 USD
£348 GBP
View
A
Retailer 8
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$464 USD
View
A
Retailer 9
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$468 USD
ZAR 7,554 ZAR
View
A
Retailer 10
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$503 USD
£396 GBP
View
A
Retailer 11
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$526 USD
View
B+
Retailer 12
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$538 USD
€512 EUR
View
B+
Retailer 13
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$577 USD
A$888 AUD
View
B+
Retailer 14
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$636 USD
A$978 AUD
View
B+
Retailer 15
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$875 USD
View
B+
Retailer 16
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$878 USD
View
B
Retailer 17
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$928 USD
View
B+
Retailer 18
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$987 USD
A$1,518 AUD
View
B
Retailer 19
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$1,020 USD
View
Price last confirmed 22 days ago
B+
Retailer 20
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$1,092 USD
£860 GBP
View
B
Retailer 21
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$1,108 USD
View
B
Retailer 22
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$1,200 USD
View
B
Retailer 23
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$1,256 USD
View
Most Expensive
B
Queensmith
LG784654518 · Oct 27
$2,591 USD
£2,040 GBP
View
23 more retailers have this diamond
Prices start from $220 USDSave up to $2,371 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
1.51ct Round
$220 USD