Round|Lab Grown|IGI

1.51ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG780615148

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780615148

Diamond specifications and retailer prices

From $230 USD
As of November 5, 2026
Save $1,057 USD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,654 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780615148 or 780615148. Listed at 25 retailers as of November 4, 2026, with a 460% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780615148
Dimensions7.39 × 7.35 × 4.52 mm
L/W Ratio1.01
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
7.39 mm7.35 mm1.51 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780615148
Side View
Table 60.0%Crown 34.7°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $432 USD|Low: $230 USD|High: $1,287 USD|Avg: $638 USD|-10.9%
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Retailer 22
November 5, 2026
Retailer 7$230 USD
Retailer 9$256 USD
Retailer 2$266 USD
Retailer 13$285 USD
Retailer 22$285 USD
Retailer 4$382 USD
Retailer 1$432 USD
Retailer 8$490 USD
Retailer 19$491 USD
Retailer 14$500 USD
Retailer 12$525 USD
Retailer 3$537 USD
Retailer 16$584 USD
Retailer 15$603 USD
Retailer 18$664 USD
Retailer 11$915 USD
Retailer 6$918 USD
Retailer 10$967 USD
Retailer 20$1,020 USD
Retailer 21$1,029 USD
Retailer 17$1,140 USD
Retailer 5$1,287 USD

36 data points across 22 retailers

25 retailers$230 USD to $1,287 USD

A
Cheapest Retailer
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$230 USD
A
Retailer 2
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$256 USD
View
Final sale: no returns
A
Retailer 3
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$266 USD
View
A
Retailer 4
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$285 USD
View
Retailer 5
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$285 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
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$382 USD
View
A
Retailer 7
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$432 USD
View
A
Retailer 8
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$490 USD
View
A
Retailer 9
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$491 USD
View
Retailer 10
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$500 USD
View
Price last confirmed 15 days ago
A
Retailer 11
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$525 USD
View
A
Retailer 12
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$537 USD
View
A
Retailer 13
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$584 USD
View
B+
Retailer 14
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$603 USD
View
B+
Retailer 15
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$664 USD
View
B+
Retailer 16
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$915 USD
View
B+
Retailer 17
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$918 USD
View
B
Retailer 18
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$967 USD
View
Retailer 19
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$984 USD
View
Price last confirmed 109 days ago
B+
Retailer 20
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$1,020 USD
View
Retailer 21
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$1,029 USD
View
Price last confirmed 8 days ago
B+
Retailer 22
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$1,140 USD
View
B
Retailer 23
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$1,159 USD
View
B
Retailer 24
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$1,287 USD
View
Most Expensive
Queensmith
LG780615148 · Oct 27
$2,654 USD
£2,090 GBP
View
Price last confirmed 9 days ago
24 more retailers have this diamond
Prices start from $230 USDSave up to $1,057 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
$230 USD