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1.58ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG526280927

Shape and cutting style on the report: Round brilliant

Certificate IGI LG526280927

Diamond specifications and retailer prices

From $355 NZD
$200 USD
As of October 29, 2026
Save $1,709 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,064 NZD at MOH London · As of October 29, 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 LG526280927 or 526280927. Listed at 16 retailers as of October 29, 2026, with prices from $355 to $2,064, a $1,709 spread on the same certified stone. MOH London lists it at $2,064. 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 angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526280927
Dimensions7.46 × 7.43 × 4.60 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.46 mm7.43 mm1.58 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526280927
Side View
Table 56.5%Crown 35.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.9%

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: $2,064 NZD|Low: $341 NZD|High: $2,078 NZD|Avg: $860 NZD|+0.5%
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
October 30, 2026
Retailer 10$355 NZD
Retailer 5$397 NZD
Retailer 3$412 NZD
Retailer 11$440 NZD
Retailer 12$600 NZD
Retailer 2$687 NZD
Retailer 7$743 NZD
Retailer 6$801 NZD
Retailer 13$900 NZD
Retailer 4$1,412 NZD
Retailer 9$1,418 NZD
Retailer 8$1,434 NZD
MOH London$2,064 NZD

43 data points across 13 retailers

16 retailers$355 NZD to $2,064 NZD

A
Cheapest Retailer
-
$355 NZD
$200 USD
A
Retailer 2
-
$397 NZD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$412 NZD
$232 USD
View
A
Retailer 4
-
$440 NZD
$248 USD
View
A
Retailer 5
-
$440 NZD
$248 USD
View
A
Retailer 6
-
$500 NZD
HK$2,200 HKD
View
B+
Retailer 7
-
$600 NZD
$338 USD
View
A
Retailer 8
-
$687 NZD
£305 GBP
View
A
Retailer 9
-
$743 NZD
€399 EUR
View
A
Retailer 10
-
$801 NZD
£356 GBP
View
A
Retailer 11
-
$900 NZD
$507 USD
View
Retailer 12
-
$1,331 NZD
$750 USD
View
Price last confirmed 51 days ago
B+
Retailer 13
-
$1,412 NZD
$796 USD
View
B
Retailer 14
-
$1,418 NZD
$799 USD
View
B+
Retailer 15
-
$1,434 NZD
SGD 1,092 SGD
View
Most Expensive
B
MOH London
LG526280927 · Oct 29
$2,064 NZD
£916 GBP
View
15 more retailers have this diamond
Prices start from $355 NZDSave up to $1,709 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
$355 NZD