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Round|Lab Grown|IGI

1.56ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG483116515

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483116515

Diamond specifications and retailer prices

From $337 USD
As of October 29, 2026
Save $2,653 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,990 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.56ct lab-grown round diamond

This 1.56ct 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 LG483116515 or 483116515. Listed at 18 retailers as of October 29, 2026, with prices from $337 to $2,990, a $2,653 spread on the same certified stone. Do Amore Diamonds lists it at $2,990. 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

1.56
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483116515
Dimensions7.35 × 7.43 × 4.62 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
7.35 mm7.43 mm1.56 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483116515
Side View
Table 57.5%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.4%

Caratlytics Score

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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: $2,990 USD|Low: $337 USD|High: $2,990 USD|Avg: $1,005 USD
Do Amore Diamonds
Retailer 2
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Retailer 18
October 30, 2026
Retailer 18$337 USD
Retailer 15$391 USD
Retailer 11$412 USD
Retailer 6$418 USD
Retailer 14$418 USD
Retailer 3$494 USD
Retailer 7$570 USD
Retailer 9$721 USD
Retailer 12$747 USD
Retailer 16$751 USD
Retailer 2$790 USD
Retailer 10$823 USD
Retailer 17$1,226 USD
Retailer 8$1,260 USD
Retailer 5$1,484 USD
Retailer 4$1,640 USD
Retailer 13$1,814 USD
Do Amore Diamonds$2,990 USD

14 data points across 18 retailers

18 retailers$337 USD to $2,990 USD

A
Cheapest Retailer
-
$337 USD
A
Retailer 2
-
$391 USD
View
B+
Retailer 3
-
$412 USD
View
A
Retailer 4
-
$418 USD
View
A
Retailer 5
-
$418 USD
View
A
Retailer 6
-
$494 USD
View
A
Retailer 7
-
$570 USD
View
A
Retailer 8
-
$721 USD
View
A
Retailer 9
-
$747 USD
£588 GBP
View
A
Retailer 10
-
$751 USD
View
A
Retailer 11
-
$790 USD
View
A
Retailer 12
-
$823 USD
View
A
Retailer 13
-
$1,226 USD
View
A
Retailer 14
-
$1,260 USD
View
B+
Retailer 15
-
$1,484 USD
View
B+
Retailer 16
-
$1,640 USD
View
B+
Retailer 17
-
$1,814 USD
£1,428 GBP
View
Most Expensive
B
Do Amore Diamonds
27-276B1001C · Oct 29
$2,990 USD
View
17 more retailers have this diamond
Prices start from $337 USDSave up to $2,653 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
1.56ct Round
$337 USD