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Round|Lab Grown|IGI

1.58ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG829610661

Shape and cutting style on the report: Round brilliant

Certificate IGI LG829610661

Diamond specifications and retailer prices

From $278 AUD
$195 USD
As of October 26, 2026
Save $1,333 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,611 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.58ct lab-grown round diamond

This 1.58ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG829610661 or 829610661. Listed at 15 retailers as of October 26, 2026, with prices from $278 to $1,611, a $1,333 spread on the same certified stone. MOH London lists it at $1,611. 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

1.58
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829610661
Dimensions7.52 × 7.47 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.52 mm7.47 mm1.58 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829610661
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.2%

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 26
Current: $1,611 AUD|Low: $269 AUD|High: $1,669 AUD|Avg: $748 AUD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 4$278 AUD
Retailer 14$310 AUD
Retailer 13$322 AUD
Retailer 15$344 AUD
Retailer 11$383 AUD
Retailer 10$537 AUD
Retailer 2$560 AUD
Retailer 5$601 AUD
Retailer 9$623 AUD
Retailer 3$875 AUD
Retailer 12$884 AUD
Retailer 8$1,060 AUD
Retailer 6$1,106 AUD
Retailer 7$1,224 AUD
MOH London$1,611 AUD

43 data points across 15 retailers

15 retailers$278 AUD to $1,611 AUD

A
Cheapest Retailer
-
$278 AUD
$195 USD
A
Retailer 2
-
$310 AUD
$218 USD
View
Final sale: no returns
A
Retailer 3
-
$322 AUD
$226 USD
View
A
Retailer 4
-
$344 AUD
$242 USD
View
A
Retailer 5
-
$383 AUD
HK$2,100 HKD
View
A
Retailer 6
-
$537 AUD
£297 GBP
View
A
Retailer 7
-
$560 AUD
€375 EUR
View
B+
Retailer 8
-
$601 AUD
$422 USD
View
A
Retailer 9
-
$623 AUD
£345 GBP
View
B+
Retailer 10
-
$875 AUD
$615 USD
View
B+
Retailer 11
-
$884 AUD
$621 USD
View
B+
Retailer 12
-
$1,060 AUD
$745 USD
View
B
Retailer 13
-
$1,106 AUD
$777 USD
View
B
Retailer 14
-
$1,224 AUD
$860 USD
View
Most Expensive
B
MOH London
LG829610661 · Oct 26
$1,611 AUD
£891 GBP
View
14 more retailers have this diamond
Prices start from $278 AUDSave up to $1,333 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
1.58ct Round
$278 AUD