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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 $480 AUD
$337 USD
As of November 1, 2026
Save $3,777 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,257 AUD at Do Amore Diamonds · As of October 31, 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 31, 2026, with prices from $480 to $4,257, a $3,777 spread on the same certified stone. Do Amore Diamonds lists it at $4,257. 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
Colour
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

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 1
Current: $4,257 AUD|Low: $480 AUD|High: $4,257 AUD|Avg: $1,425 AUD
Do Amore Diamonds
Retailer 2
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Retailer 5
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 18
November 1, 2026
Retailer 18$480 AUD
Retailer 15$557 AUD
Retailer 13$587 AUD
Retailer 6$595 AUD
Retailer 14$595 AUD
Retailer 3$703 AUD
Retailer 7$811 AUD
Retailer 9$1,026 AUD
Retailer 11$1,060 AUD
Retailer 16$1,069 AUD
Retailer 12$1,125 AUD
Retailer 10$1,171 AUD
Retailer 17$1,745 AUD
Retailer 8$1,794 AUD
Retailer 5$2,113 AUD
Retailer 4$2,334 AUD
Retailer 2$2,567 AUD
Do Amore Diamonds$4,257 AUD

15 data points across 18 retailers

18 retailers$480 AUD to $4,257 AUD

A
Cheapest Retailer
-
$480 AUD
$337 USD
A
Retailer 2
-
$557 AUD
$391 USD
View
B+
Retailer 3
-
$587 AUD
$412 USD
View
A
Retailer 4
-
$595 AUD
$418 USD
View
Retailer 5
-
$595 AUD
$418 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$703 AUD
$494 USD
View
A
Retailer 7
-
$811 AUD
$570 USD
View
A
Retailer 8
-
$1,026 AUD
$721 USD
View
A
Retailer 9
-
$1,060 AUD
£587 GBP
View
A
Retailer 10
-
$1,069 AUD
$751 USD
View
A
Retailer 11
-
$1,125 AUD
$790 USD
View
A
Retailer 12
-
$1,171 AUD
$823 USD
View
A
Retailer 13
-
$1,745 AUD
$1,226 USD
View
A
Retailer 14
-
$1,794 AUD
$1,260 USD
View
B+
Retailer 15
-
$2,113 AUD
$1,484 USD
View
B+
Retailer 16
-
$2,334 AUD
$1,640 USD
View
B+
Retailer 17
-
$2,567 AUD
£1,420 GBP
View
Most Expensive
B
Do Amore Diamonds
27-276B1001C · Oct 31
$4,257 AUD
$2,990 USD
View
17 more retailers have this diamond
Prices start from $480 AUDSave up to $3,777 AUD

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
$480 AUD