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Round|Lab Grown|IGI

1.89ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG758560174

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758560174

Diamond specifications and retailer prices

From €223 EUR
$248 USD
As of October 26, 2026
Save €918 EUR (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,141 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.89ct lab-grown round diamond

This 1.89ct lab-grown round 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 LG758560174 or 758560174. Listed at 19 retailers as of October 26, 2026, with prices from €223 to €1,141, a €918 spread on the same certified stone. Brilliant Earth lists it at €1,141. 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

1.89
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758560174
Dimensions7.92 × 7.88 × 4.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm7.88 mm1.89 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758560174
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: €1,141 EUR|Low: €221 EUR|High: €1,170 EUR|Avg: €588 EUR
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 19
October 29, 2026
Retailer 6€223 EUR
Retailer 19€249 EUR
Retailer 18€258 EUR
Retailer 3€276 EUR
Retailer 16€310 EUR
Retailer 11€431 EUR
Retailer 13€431 EUR
Retailer 2€437 EUR
Retailer 7€463 EUR
Retailer 10€514 EUR
Retailer 14€520 EUR
Retailer 5€559 EUR
Retailer 17€603 EUR
Retailer 4€696 EUR
Retailer 8€867 EUR
Retailer 12€883 EUR
Retailer 9€887 EUR
Retailer 15€1,108 EUR
Brilliant Earth€1,141 EUR

35 data points across 19 retailers

19 retailers€223 EUR to €1,141 EUR

A
Cheapest Retailer
-
€223 EUR
$248 USD
A
Retailer 2
-
€249 EUR
$277 USD
View
Final sale: no returns
A
Retailer 3
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€258 EUR
$287 USD
View
A
Retailer 4
-
€276 EUR
$307 USD
View
A
Retailer 5
-
€310 EUR
HK$2,700 HKD
View
A
Retailer 6
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€431 EUR
$480 USD
View
Price last confirmed 10 days ago
A
Retailer 7
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€431 EUR
£378 GBP
View
A
Retailer 8
-
€437 EUR
View
B+
Retailer 9
-
€463 EUR
$515 USD
View
A
Retailer 10
-
€514 EUR
$572 USD
View
A
Retailer 11
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€520 EUR
£456 GBP
View
B+
Retailer 12
-
€559 EUR
A$958 AUD
View
B+
Retailer 13
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€603 EUR
$671 USD
View
B+
Retailer 14
-
€696 EUR
$775 USD
View
B+
Retailer 15
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€867 EUR
$965 USD
View
B+
Retailer 16
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€883 EUR
SGD 1,328 SGD
View
B+
Retailer 17
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€887 EUR
$987 USD
View
B
Retailer 18
-
€1,108 EUR
£971 GBP
View
Most Expensive
B
Brilliant Earth
21805874A · Oct 28
€1,141 EUR
$1,270 USD
View
18 more retailers have this diamond
Prices start from €223 EURSave up to €918 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
1.89ct Round
€223 EUR