Round|Lab Grown|IGI

1.89ct D SI1 Round Lab Grown Diamond

ID • D/SI1

Diamond specifications and retailer prices

From €469 EUR
$522 USD
As of October 29, 2026
Save €1,503 EUR (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,972 EUR at The Diamond Guys · As of October 28, 2026
View at The Diamond Guys

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. Listed at 3 retailers as of October 28, 2026, with prices from €469 to €1,972, a €1,503 spread on the same certified stone. The Diamond Guys lists it at €1,972. 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
OriginLab Grown
Grading LabIGI
Dimensions7.96 × 7.99 × 4.86 mm
L/W Ratio1.00
Top View
7.96 mm7.99 mm1.89 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 60.9%

Caratlytics Score

How it works →
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: €1,366 EUR|Low: €469 EUR|High: €1,972 EUR|Avg: €1,338 EUR|-23.3%
Retailer 1
Retailer 2
The Diamond Guys
October 8, 2026
Retailer 2€469 EUR
Retailer 1€1,366 EUR
The Diamond Guys€1,972 EUR

2 data points across 3 retailers

3 retailers€469 EUR to €1,972 EUR

A
Cheapest Retailer
-
€469 EUR
$522 USD
B
Retailer 2
-
€1,366 EUR
CA$2,113 CAD
View
Most Expensive
C
The Diamond Guys
1932674242 · Oct 28
€1,972 EUR
$2,195 USD
View
2 more retailers have this diamond
Prices start from €469 EURSave up to €1,503 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
€469 EUR