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1.54ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG787611919

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787611919

Diamond specifications and retailer prices

From $810 USD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: $810 USD at Brilliant Earth
View at Brilliant Earth

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787611919 or 787611919. Listed at 3 retailers as of October 29, 2026. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787611919
Dimensions7.42 × 7.46 × 4.55 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
7.42 mm7.46 mm1.54 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787611919
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $810 USD|Low: $146 USD|High: $1,400 USD|Avg: $660 USD|-16.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 2, 2026
Retailer 8$294 USD
Retailer 6$317 USD
Retailer 4$410 USD
Retailer 2$591 USD
Retailer 7$598 USD
Retailer 3$673 USD
Retailer 5$682 USD
Brilliant Earth$810 USD
Retailer 9$843 USD

59 data points across 9 retailers

3 retailers

Retailer 1
-
$294 USD
HK$2,300 HKD
Price last confirmed 57 days ago
Retailer 2
-
$673 USD
View
Price last confirmed 76 days ago
Most Expensive
B+
Brilliant Earth
18351782A · Oct 29
$810 USD
View
2 more retailers have this diamond

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.

B+
1.54ct Round
$810 USD