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Round|Lab Grown|IGI

1.62ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG571321854

Shape and cutting style on the report: Round brilliant

Certificate IGI LG571321854

Diamond specifications and retailer prices

From $349 USD
As of October 29, 2026
Save $2,751 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,100 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct 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 LG571321854 or 571321854. Listed at 18 retailers as of October 29, 2026, with prices from $349 to $3,100, a $2,751 spread on the same certified stone. Do Amore Diamonds lists it at $3,100. 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

1.62
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571321854
Dimensions7.57 × 7.61 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.57 mm7.61 mm1.62 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571321854
Side View
Table 58.5%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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: $3,100 USD|Low: $349 USD|High: $3,100 USD|Avg: $978 USD
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 30, 2026
Retailer 18$349 USD
Retailer 15$405 USD
Retailer 12$428 USD
Retailer 5$433 USD
Retailer 14$433 USD
Retailer 3$530 USD
Retailer 6$585 USD
Retailer 7$740 USD
Retailer 9$748 USD
Retailer 16$767 USD
Retailer 11$774 USD
Retailer 10$842 USD
Retailer 2$880 USD
Retailer 17$1,270 USD
Retailer 8$1,309 USD
Retailer 4$1,536 USD
Retailer 13$1,877 USD
Do Amore Diamonds$3,100 USD

14 data points across 18 retailers

18 retailers$349 USD to $3,100 USD

A
Cheapest Retailer
-
$349 USD
A
Retailer 2
-
$405 USD
View
B+
Retailer 3
-
$428 USD
View
A
Retailer 4
-
$433 USD
View
A
Retailer 5
-
$433 USD
View
A
Retailer 6
-
$530 USD
View
A
Retailer 7
-
$585 USD
View
Retailer 8
-
$740 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$748 USD
View
A
Retailer 10
-
$767 USD
View
A
Retailer 11
-
$774 USD
£609 GBP
View
A
Retailer 12
-
$842 USD
View
A
Retailer 13
-
$880 USD
View
A
Retailer 14
-
$1,270 USD
View
A
Retailer 15
-
$1,309 USD
View
B+
Retailer 16
-
$1,536 USD
View
B+
Retailer 17
-
$1,877 USD
£1,478 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4B48887AE · Oct 31
$3,100 USD
View
17 more retailers have this diamond
Prices start from $349 USDSave up to $2,751 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
1.62ct Round
$349 USD