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Oval|Lab Grown|IGI

1.58ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG789633250

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG789633250

Diamond specifications and retailer prices

From €181 EUR
$202 USD
As of October 26, 2026
Save €911 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,092 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.58ct lab-grown oval diamond

This 1.58ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789633250 or 789633250. Listed at 18 retailers as of October 26, 2026, with prices from €181 to €1,092, a €911 spread on the same certified stone. Brilliant Earth lists it at €1,092. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789633250
Dimensions9.70 × 6.50 × 3.97 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.70 mm6.50 mm1.58 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789633250
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: €1,092 EUR|Low: €174 EUR|High: €1,092 EUR|Avg: €505 EUR
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
October 31, 2026
Retailer 18€181 EUR
Retailer 7€201 EUR
Retailer 16€209 EUR
Retailer 17€225 EUR
Retailer 12€251 EUR
Retailer 15€252 EUR
Retailer 2€367 EUR
Retailer 5€389 EUR
Retailer 13€409 EUR
Retailer 8€456 EUR
Retailer 11€482 EUR
Retailer 9€487 EUR
Retailer 6€581 EUR
Retailer 4€721 EUR
Retailer 10€729 EUR
Retailer 3€882 EUR
Retailer 14€1,050 EUR
Brilliant Earth€1,092 EUR

40 data points across 18 retailers

18 retailers€181 EUR to €1,092 EUR

A
Cheapest Retailer
-
€181 EUR
$202 USD
Retailer 2
-
€209 EUR
$234 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€225 EUR
$251 USD
View
A
Retailer 4
-
€251 EUR
£220 GBP
View
A
Retailer 5
-
€252 EUR
HK$2,200 HKD
View
A
Retailer 6
-
€367 EUR
View
B+
Retailer 7
-
€389 EUR
$435 USD
View
A
Retailer 8
-
€409 EUR
£360 GBP
View
A
Retailer 9
-
€456 EUR
$510 USD
View
A
Retailer 10
-
€482 EUR
A$828 AUD
View
A
Retailer 11
-
€487 EUR
$544 USD
View
B+
Retailer 12
-
€581 EUR
$649 USD
View
B+
Retailer 13
-
€721 EUR
$806 USD
View
B+
Retailer 14
-
€729 EUR
SGD 1,100 SGD
View
Retailer 15
-
€823 EUR
$920 USD
View
Price last confirmed 10 days ago
Retailer 16
-
€882 EUR
$985 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
€1,050 EUR
£924 GBP
View
Most Expensive
B
Brilliant Earth
18521721A · Oct 29
€1,092 EUR
$1,220 USD
View
17 more retailers have this diamond
Prices start from €181 EURSave up to €911 EUR

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 Oval
€181 EUR