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 $347 NZD
$195 USD
As of October 26, 2026
Save $1,668 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,015 NZD 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 $347 to $2,015, a $1,668 spread on the same certified stone. MOH London lists it at $2,015. 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: $2,015 NZD|Low: $337 NZD|High: $2,087 NZD|Avg: $936 NZD|-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$347 NZD
Retailer 14$388 NZD
Retailer 13$402 NZD
Retailer 15$431 NZD
Retailer 11$479 NZD
Retailer 10$672 NZD
Retailer 2$701 NZD
Retailer 5$751 NZD
Retailer 9$779 NZD
Retailer 3$1,095 NZD
Retailer 12$1,106 NZD
Retailer 8$1,326 NZD
Retailer 6$1,383 NZD
Retailer 7$1,531 NZD
MOH London$2,015 NZD

43 data points across 15 retailers

15 retailers$347 NZD to $2,015 NZD

A
Cheapest Retailer
-
$347 NZD
$195 USD
A
Retailer 2
-
$388 NZD
$218 USD
View
Final sale: no returns
A
Retailer 3
-
$402 NZD
$226 USD
View
A
Retailer 4
-
$431 NZD
$242 USD
View
A
Retailer 5
-
$479 NZD
HK$2,100 HKD
View
A
Retailer 6
-
$672 NZD
£297 GBP
View
A
Retailer 7
-
$701 NZD
€375 EUR
View
B+
Retailer 8
-
$751 NZD
$422 USD
View
A
Retailer 9
-
$779 NZD
£345 GBP
View
B+
Retailer 10
-
$1,095 NZD
$615 USD
View
B+
Retailer 11
-
$1,106 NZD
$621 USD
View
B+
Retailer 12
-
$1,326 NZD
$745 USD
View
B
Retailer 13
-
$1,383 NZD
$777 USD
View
B
Retailer 14
-
$1,531 NZD
$860 USD
View
Most Expensive
B
MOH London
LG829610661 · Oct 26
$2,015 NZD
£891 GBP
View
14 more retailers have this diamond
Prices start from $347 NZDSave up to $1,668 NZD

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
$347 NZD