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 $195 USD
As of October 26, 2026
Save $937 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,132 USD 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 $195 to $1,132, a $937 spread on the same certified stone. MOH London lists it at $1,132. 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
Color
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $1,132 USD|Low: $189 USD|High: $1,172 USD|Avg: $526 USD|-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$195 USD
Retailer 14$218 USD
Retailer 13$226 USD
Retailer 15$242 USD
Retailer 11$269 USD
Retailer 10$377 USD
Retailer 2$394 USD
Retailer 5$422 USD
Retailer 9$438 USD
Retailer 3$615 USD
Retailer 12$621 USD
Retailer 8$745 USD
Retailer 6$777 USD
Retailer 7$860 USD
MOH London$1,132 USD

43 data points across 15 retailers

15 retailers$195 USD to $1,132 USD

A
Cheapest Retailer
-
$195 USD
A
Retailer 2
-
$218 USD
View
Final sale: no returns
A
Retailer 3
-
$226 USD
View
A
Retailer 4
-
$242 USD
View
A
Retailer 5
-
$269 USD
HK$2,100 HKD
View
A
Retailer 6
-
$377 USD
£297 GBP
View
A
Retailer 7
-
$394 USD
€375 EUR
View
B+
Retailer 8
-
$422 USD
View
A
Retailer 9
-
$438 USD
£345 GBP
View
B+
Retailer 10
-
$615 USD
View
B+
Retailer 11
-
$621 USD
View
B+
Retailer 12
-
$745 USD
View
B
Retailer 13
-
$777 USD
View
B
Retailer 14
-
$860 USD
View
Most Expensive
B
MOH London
LG829610661 · Oct 26
$1,132 USD
£891 GBP
View
14 more retailers have this diamond
Prices start from $195 USDSave up to $937 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
1.58ct Round
$195 USD