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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG770640751

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770640751

Diamond specifications and retailer prices

From $228 USD
As of November 5, 2026
Save $1,054 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,282 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770640751 or 770640751. Listed at 20 retailers as of November 4, 2026, with prices from $228 to $1,282, a $1,054 spread on the same certified stone. Reve Diamonds lists it at $1,282. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640751
Dimensions7.41 × 7.36 × 4.61 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
7.41 mm7.36 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640751
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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 5
Current: $517 USD|Low: $217 USD|High: $1,282 USD|Avg: $599 USD|+3.6%
Retailer 1
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 6, 2026
Retailer 8$228 USD
Retailer 12$259 USD
Retailer 18$264 USD
Retailer 4$282 USD
Retailer 5$282 USD
Retailer 2$447 USD
Retailer 6$479 USD
Retailer 11$483 USD
Retailer 1$517 USD
Retailer 15$532 USD
Retailer 3$536 USD
Retailer 17$583 USD
Retailer 13$735 USD
Retailer 10$890 USD
Retailer 9$907 USD
Retailer 14$910 USD
Retailer 7$959 USD
Retailer 16$1,131 USD
Reve Diamonds$1,282 USD

37 data points across 19 retailers

20 retailers$228 USD to $1,282 USD

A
Cheapest Retailer
-
$228 USD
A
Retailer 2
-
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$264 USD
View
A
Retailer 4
-
$282 USD
View
Retailer 5
-
$282 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$447 USD
View
A
Retailer 7
-
$479 USD
View
A
Retailer 8
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$483 USD
View
A
Retailer 9
-
$517 USD
View
A
Retailer 10
-
$532 USD
View
B+
Retailer 11
-
$536 USD
View
B+
Retailer 12
-
$583 USD
View
B+
Retailer 13
-
$735 USD
View
B+
Retailer 14
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$747 USD
View
Retailer 15
-
$890 USD
View
Price last confirmed 11 days ago
B
Retailer 16
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$907 USD
View
B
Retailer 17
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$910 USD
View
B
Retailer 18
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$959 USD
View
B
Retailer 19
-
$1,131 USD
View
Most Expensive
B
Reve Diamonds
B6447E024 · Nov 4
$1,282 USD
View
19 more retailers have this diamond
Prices start from $228 USDSave up to $1,054 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
$228 USD