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Round|Lab Grown|IGI

1.54ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG778647146

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778647146

Diamond specifications and retailer prices

From $346 USD
As of November 4, 2026
Save $1,176 USD (77%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $1,522 USD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778647146 or 778647146. Listed at 27 retailers as of November 4, 2026, with prices from $346 to $1,522, a $1,176 spread on the same certified stone. Taylor and Hart lists it at $1,522. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778647146
Dimensions7.45 × 7.50 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.50 mm1.54 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778647146
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.1%

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: Nov 4
Current: $1,476 USD|Low: $240 USD|High: $1,522 USD|Avg: $652 USD|+22.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
November 5, 2026
Retailer 10$242 USD
Retailer 3$280 USD
Retailer 7$300 USD
Retailer 8$300 USD
Retailer 14$346 USD
Retailer 4$483 USD
Retailer 19$506 USD
Retailer 18$537 USD
Retailer 13$540 USD
Retailer 6$551 USD
Retailer 16$626 USD
Retailer 12$751 USD
Retailer 5$815 USD
Retailer 11$963 USD
Retailer 15$995 USD
Retailer 17$1,180 USD
Retailer 2$1,207 USD
Retailer 9$1,326 USD
Retailer 1$1,476 USD
Taylor and Hart$1,522 USD

39 data points across 20 retailers

27 retailers$346 USD to $1,522 USD

Retailer 1
-
$240 USD
Price last confirmed 44 days ago
Retailer 2
-
$242 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$280 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$293 USD
View
Price last confirmed 44 days ago
Retailer 5
-
$300 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$300 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$346 USD
View
Final sale: no returns
A
Retailer 8
-
$384 USD
View
Retailer 9
-
$483 USD
View
Price last confirmed 11 days ago
Retailer 10
-
$506 USD
View
Price last confirmed 13 days ago
Retailer 11
-
$537 USD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$540 USD
View
Retailer 13
-
$551 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$626 USD
View
B
Retailer 15
-
$751 USD
View
Retailer 16
-
$793 USD
View
Price last confirmed 10 days ago
Retailer 17
-
$815 USD
View
Price last confirmed 15 days ago
Retailer 18
-
$955 USD
View
Price last confirmed 45 days ago
Retailer 19
-
$963 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
$995 USD
View
Retailer 21
-
$1,140 USD
View
Price last confirmed 10 days ago
B
Retailer 22
-
$1,180 USD
View
Retailer 23
-
$1,207 USD
View
Price last confirmed 15 days ago
B
Retailer 24
-
$1,287 USD
View
Retailer 25
-
$1,326 USD
View
Price last confirmed 11 days ago
B
Retailer 26
-
$1,476 USD
View
Most Expensive
B
Taylor and Hart
NM5XJQS · Nov 4
$1,522 USD
View
26 more retailers have this diamond
Prices start from $346 USDSave up to $1,176 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
1.54ct Round
$346 USD