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Oval|Lab Grown|IGI

1.89ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG810636682

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG810636682

Diamond specifications and retailer prices

From €299 EUR
HK$2,600 HKD
As of October 28, 2026
Save €977 EUR (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,276 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.89ct lab-grown oval diamond

This 1.89ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG810636682 or 810636682. Listed at 11 retailers as of October 28, 2026, with prices from €299 to €1,276, a €977 spread on the same certified stone. Brilliant Earth lists it at €1,276. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810636682
Dimensions9.90 × 7.09 × 4.27 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.90 mm7.09 mm1.89 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810636682
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

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 28
Current: €1,276 EUR|Low: €359 EUR|High: €1,312 EUR|Avg: €728 EUR|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 5€425 EUR
Retailer 6€448 EUR
Retailer 2€501 EUR
Retailer 8€506 EUR
Retailer 9€623 EUR
Retailer 7€671 EUR
Retailer 10€862 EUR
Retailer 4€1,065 EUR
Retailer 3€1,069 EUR
Brilliant Earth€1,276 EUR

37 data points across 10 retailers

11 retailers€299 EUR to €1,276 EUR

A
Cheapest Retailer
-
€299 EUR
HK$2,600 HKD
A
Retailer 2
-
€425 EUR
View
B+
Retailer 3
-
€448 EUR
$499 USD
View
A
Retailer 4
-
€501 EUR
£439 GBP
View
A
Retailer 5
-
€506 EUR
$563 USD
View
B+
Retailer 6
-
€623 EUR
$693 USD
View
B+
Retailer 7
-
€671 EUR
$747 USD
View
B
Retailer 8
-
€862 EUR
SGD 1,296 SGD
View
B
Retailer 9
-
€1,065 EUR
$1,185 USD
View
B
Retailer 10
-
€1,069 EUR
£937 GBP
View
Most Expensive
B
Brilliant Earth
20213402A · Oct 28
€1,276 EUR
$1,420 USD
View
10 more retailers have this diamond
Prices start from €299 EURSave up to €977 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 Oval
€299 EUR