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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 €298 EUR
HK$2,600 HKD
As of October 30, 2026
Save €973 EUR (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,271 EUR at Brilliant Earth · As of October 29, 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 29, 2026, with prices from €298 to €1,271, a €973 spread on the same certified stone. Brilliant Earth lists it at €1,271. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,271 EUR|Low: €358 EUR|High: €1,307 EUR|Avg: €727 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€424 EUR
Retailer 6€447 EUR
Retailer 2€499 EUR
Retailer 8€504 EUR
Retailer 9€620 EUR
Retailer 7€669 EUR
Retailer 10€858 EUR
Retailer 4€1,061 EUR
Retailer 3€1,065 EUR
Brilliant Earth€1,271 EUR

36 data points across 10 retailers

11 retailers€298 EUR to €1,271 EUR

A
Cheapest Retailer
-
€298 EUR
HK$2,600 HKD
Retailer 2
-
€424 EUR
View
Price last confirmed 8 days ago
B+
Retailer 3
-
€447 EUR
$499 USD
View
A
Retailer 4
-
€499 EUR
£439 GBP
View
A
Retailer 5
-
€504 EUR
$563 USD
View
B+
Retailer 6
-
€620 EUR
$693 USD
View
B+
Retailer 7
-
€669 EUR
$747 USD
View
B
Retailer 8
-
€858 EUR
SGD 1,296 SGD
View
B
Retailer 9
-
€1,061 EUR
$1,185 USD
View
B
Retailer 10
-
€1,065 EUR
£937 GBP
View
Most Expensive
B
Brilliant Earth
20213402A · Oct 29
€1,271 EUR
$1,420 USD
View
10 more retailers have this diamond
Prices start from €298 EURSave up to €973 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
€298 EUR